a boat takes 2 hours to travel 15 miles upstream against the current

What are the spee 0 . In a river with unknown current, it takes the boat twice as long to travel 60 miles upstream (against the current) than it takes for the 60 mile return trip (with the current). we need to write our two equations. A boat takes 2 hours to travel 15 miles upriver against the current. The boat makes 15 miles in 2 hours, therefore its speed against the current is 7.5 mph. \[\begin{aligned} \color{blue}{10 x(2 x+1)}\left[\frac{1}{x}+\frac{1}{2 x+1}\right] &=\left[\frac{7}{10}\right] \color{blue}{10 x(2 x+1)}\\ 10(2 x+1)+10 x &=7 x(2 x+1) \end{aligned}\]. If 180 cubic centimeters of water is frozen, by how many cubic centimeters will its volume increase? That is, it takes Bill 2 hours to complete the report and it takes Maria 4 hours to complete the same report, so if Bill and Maria work together it will take 6 hours to complete the report. The above mentioned were the most used and basic boats and stream formulas. Let's say I'm in a 10 mph current in a canoe. First, let us explain the meaning of "upstream" and "downstream.". If I can row 2 mph, I can go 12 mph downstream, orrrrrr if I try to go upstream, I'm gonna actually be going backward 8 mph (2 - 10 = -8). Lets put this relation to use in some applications. be pushing the boat faster, and the boat's speed will increase by C miles 2005 - 2023 Wyzant, Inc, a division of IXL Learning - All Rights Reserved, Consecutive Integer Word Problem Basics Worksheet. A painter can paint 4 walls per hour. The current speed . A boat travels 24 km upstream in 6 hours and 20 km downstream in 4 hours. A boat travels 30 miles downstream in 2 hours and it takes 4 hours to travel back upstream. What is the speed of the boat in still water? United Kingdom, EC1M 7AD, Leverage Edu Because distance, speed, and time are related by the equation d = vt, whenever you have two boxes in a row of the table completed, the third box in that row can be calculated by means of the formula d = vt. Solution. The sum of the reciprocals of the two numbers is 7/10. United Kingdom, EC1M 7AD, Leverage Edu Besides testing the ability of the student, exams are important. Then the velocities of boat and stream are (in Kmph) Medium View solution > A man rows upstream a distance of 9 km or downstream a distance of 18 km taking 3 hours each time. The same boat can travel 36 miles downstream in 3 hours. Clearly, if they work together, it will take them less time than it takes Bill to complete the report alone; that is, the combined time will surely be less than 2 hours. What was the interest rate on the loan? Also Read: A Guide On How to Prepare for Bank Exams. Note that we simply invert the number 3 to obtain its reciprocal 1/3. The speed of a freight train is 16 mph slower than the speed of a passenger train. \[\text { Rate }=\frac{\text { Work }}{\text { Time }}=\frac{1 \text { kitchen }}{H \text { hour }}\]. Time going + Time returning = Total time. For in one hour, Raymond does of the job, and Robert, . which is 100 km. At last, practice makes the students perfect. A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. This is reflected in the entries in the last row of Table $\PageIndex{5}$. Bill can finish a report in 2 hours. However, the last row of Table $\PageIndex{6}$ indicates that the combined rate is also 1/t reports per hour. How many hours will it take if they work together? Here's what the chart looks like before we put any of A boat takes 2 hours to travel 15 miles upriver against the current. Her parents names were Marie- Madel Unit 3: Instructor Graded Assignment \[\begin{aligned}\color{blue}{(3-c)(3+c)}\left[\frac{60}{3-c}\right] &=\left[\frac{120}{3+c}\right]\color{blue}{(3-c)(3+c)} \\ 60(3+c) &=120(3-c) \end{aligned}\]. This agrees with the combined rate in Table $\PageIndex{8}$. Australia, Leverage Edu Tower, Boris can paddle his kayak at a speed of 6 mph in still water. The key to this type of problem is same time . answered 02/17/15. A link to the app was sent to your phone. Find the speed of the current. Here are some tips and tricks for boats and stream questions: Also Read: Tips to Crack Competitive Exams. 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How long will it take them to finish the report if they work together? Using the equation speed = distance/time: 12 miles upstream take 1.5 hours, so v-w=12/1.5=24/3=8 m/h, 24 miles downstream take 1.5 hours as well, so v+w=24/1.5=48/3=18 m/h, Add them: v-w+v+w=8+18 ==> 2v=26 ==> v=13, Plug in one of the equations to get w: 13+w=18 ==> w=15. The site owner may have set restrictions that prevent you from accessing the site. Please make a donation to keep TheMathPage online.Even $1 will help. Choose an expert and meet online. Find the speed of the freight train. A merchant borrowed $650 for one year and repaid the bank $682.50 at the end of the year. He started at the tower's base and is now 35 feet above the ground. Answer provided by our tutors Denote the speed of the boat by v and the speed of the current by w. A boat can travel 24 miles in 3 hours when traveling with a current. How many hours would it take Amelie if she worked alone? . A motorboat 5 hours to travel 100km upstream. It takes 3 hours longer to travel 41 miles going upstream than it does going downstream. The speed of the boat as it goes downstream (with the current) will be 4 miles per hour. Copyright 2021, Leverage Edu. The speed of a boat in still water is 15 mi/hr. The boat travels downstream 150 miles at a net speed of 40 miles per hour. Problem 13. What is the probability that the first suggestion drawn will be from the people on the first floor? Find the two numbers. 1] . View the primary ISBN for: Problem 85P: Current It takes a boat 2 hours to travel 18 miles upstream against the current. Thus, it will take 4/3 of an hour to complete 1 report if Bill and Maria work together. Going up stream 5 miles at speed relative to shore of 8-4 = 4 mph takes 1.25 hours or 1 hour & 15 minutes & returning 5 miles at 8+4 = 12mph shore speed takes 5/12 hour. The last part of the equation is to subtract the travel time by boat from the time the party starts. Choose an expert and meet online. It takes Liya 7 hours longer than Hank to complete the kitchen, namely 28 hours, so she is finishing 1/28 of the kitchen per hour. Without knowing the accurate boats and streams formula it is impossible for any applicant to solve the question. Uttar Pradesh 201301, Devonshire House, 60 Goswell Road, In similar fashion, the time to travel downstream is calculated with. The speed of a freight train is 20 mph slower than the speed of a passenger train. Example 5. Downstream- When the boat is flowing in the same direction as the stream, it is called Downstream. Then the speed of boat in still water and the speed of current are respectively. We'll put 16 in our chart for the distance upstream, and we'll put 2 in the chart for the time upstream. A train travels 30 mi/hr faster than a car. (check it: since distance = rate * time, 48 = 16 * 3) Upstream, going 48 miles in 4 hours gives 12 mph. Let x be that time. Ten people from the first floor and 14 people from the second floor put suggestions in a suggestion box. Lesson Title: Rate problems are based on the relationship Distance We'll bring you back here when you are done. What is the speed (in mph) of the current? A boat takes 2 hours to travel 15 miles upriver against the current. Because the speed of the current is 8 miles per hour, the boat travels 150 miles upstream at a net speed of 24 miles per hour. What is the rate of water's current? Example A person challenged himself to cross a small river and back. He calculated the speed of the river that day as 1 km/hr. We have advice similar to that given for distance, speed, and time tables. 2005 - 2023 Wyzant, Inc, a division of IXL Learning - All Rights Reserved. Thus, the equation we seek lies in the Rate column of Table $\PageIndex{6}$. Find out how you can intelligently organize your Flashcards. Then the speed of the car is It will take 15 hours to travel 60 miles at this rate. It takes Amelie 9 hours to paint the same room. answered 11/14/20. So after 5 hours, the distance traveled upstream would be 5(y-x) . You will only be able to solve these questions if you have memorized the boats and streams formula. upstream, the current (which is C miles per hour) will be pushing against \[\begin{aligned} 20 x+10+10 x &=14 x^{2}+7 x \\ 30 x+10 &=14 x^{2}+7 x \end{aligned}\], Again, this equation is nonlinear. Water volume increases 9% when it freezes. Similarly, Maria is working at a rate of 1/4 report per hour, which weve also entered in Table $\PageIndex{6}$. is B+C miles per hour. Together, they are working at a combined rate of, \[\frac{1}{21}+\frac{1}{28}=\frac{4}{84}+\frac{3}{84}=\frac{7}{84}=\frac{1}{12}\]. That is, if x = 5/2, then its reciprocal is 2/5. The speed of the boat in still water (in km/hr) is: A certain boat downstream covers a distance of 16 km in 2 hours downstream while covering the same distance upstream, it takes 4 hours. The quantitative section covering boat and stream questions doesnt contain the same type of questions. Here is the equation: Problem 11. For any nonzero real number a, the reciprocal of a is the number 1/a. This problem ask the students to use division to solve the problem and they were not able to do that. Find out how you can intelligently organize your Flashcards. 4(b - c) = 128. Solution. 3 . Round your answer to the nearest hundredth. Find the two numbers. Let's use the same logic going downstream. the boat, and the boat's speed will decrease by C miles per hour. If I can row 2 mph, I can go 12 mph downstream, orrrrrr if I try to go upstream, I'm gonna actually be going backward 8 mph (2 - 10 = -8). The sum of the reciprocals of two consecutive integers is $\frac{19}{90}$. Algebra questions and answers. It will take 30 hours to travel 60 miles at this rate. Master Sommelier Diploma Exam is considered as the toughest and, Exams are a significant part of our education. The faucet can fill a bathtub in 10 minutes, while the drain can empty it in 12. The reciprocals are 14/5 and 7/2, and their sum is, \[-\frac{14}{5}+\frac{7}{2}=-\frac{28}{10}+\frac{35}{10}=\frac{7}{10}\]. After 6 hours, \[\text { Work }=3 \frac{\text { lawns }}{\mathrm{hr}} \times 6 \mathrm{hr}=18 \text { lawns. }\], A second important concept is the fact that rates add. What is A chef mixes his salt and pepper. A boat can travel 16 miles up a river in 2 hours. If the speed of the boat in still water is 15 miles per hour, what is the speed of the current? Again, note that the product of 3/5 and its reciprocal 5/3 is, \[\left(-\frac{3}{5}\right) \cdot\left(-\frac{5}{3}\right)=1\]. When we developed the Equations of Motion in the chapter on quadratic functions, we showed that if an object moves with constant speed, then the distance traveled is given by the formula. Then. Hence, we have two solutions for x. Solution. 5600 = ___________________ In the first row of Table $\PageIndex{3}$, we have d = 150 miles and v = 32 c miles per hour. Therefore, their combined rate is 1/2 + 1/4 reports per hour. What is the speed of the current in the river? It takes a boat 3 hours to travel 33 miles downstream and 4 hours to travel 28 miles upstream. Solve the equation d = vt for t to obtain. a Question When a boat travels in the same direction as the current, we say that it is traveling downstream. It takes Hank 21 hours to complete the kitchen, so he is finishing 1/21 of the kitchen per hour. So, your trip will take 50 minutes from your dock to the island. at a rate of B miles per hour. Defence Colony, New Delhi, Weve entered this data in Table $\PageIndex{3}$. How much interest will she receive in one year? : Let c = speed of the current Let s = speed of the boat in still water : Write two distance equations: dist = time * speed : 5 (s - c) = 30 5 (s + c) = 60 where d represents the distance traveled, v represents the speed, and t represents the time of travel. Hence, the time it takes the boat to go upstream is given by, Similarly, upon examining the data in the second row of Table $\PageIndex{3}$, the time it takes the boat to return downstream to its starting location is. Suppose that he can kayak 4 miles upstream in the same amount of time as it takes him to kayak 9 miles downstream. Solution. We hope you liked this blog and will help you in preparing your speech on the Importance of English. 2700 = ________________ 4. How long does it take him to go 5 km in stationary water? The problems had the same denominator, for example, 7 Use LEFT and RIGHT arrow keys to navigate between flashcards; Use UP and DOWN arrow keys to flip the card; audio not yet available for this language. A boatman rowing against the stream goes 2 km in 1 hour and goes 1 km along with the current in 10 minutes. Dont let it confuse you. Note that the total time to go upstream and return is 6.25 + 3.75, or 10 hours. Junior's boat will go 15 miles per hour in still water. The sum of the reciprocals of two consecutive integers is $\frac{19}{90}$. be represented by a different variable: Since we have two variables, we will need to find a system The total time of the trip is 10 hours. We'll put 16 in our chart for the distance upstream, and we'll put 2 in Clearly, working together, Bill and Maria will complete 2/3 + 1/3 reports, that is, one full report. }\]. \[Rate $=\frac{\text { Work }}{\text { Time }}=\frac{1 \text { report }}{t \mathrm{h}}$\]. Let x = The integer pair {4, 25} has product 100 and sum 29. or 1/12 of a kitchen per hour. Here is the guiding principle. For example, suppose that Emilia can mow lawns at a rate of 3 lawns per hour. What is the speed of the boat if it were in still water and what is the speed of the river current? Emily can paddle her canoe at a speed of 2 mph in still water. Problem 7. Lesson Plan Note that each row of Table $\PageIndex{1}$ has two entries entered. Find the speed of the current. Based on the equation, it will take you .85 hours to get to the island party. Please upgrade to Cram Premium to create hundreds of folders! __________________ 3. Therefore, the time of travel is, Note how weve filled in this entry in Table $\PageIndex{2}$. Solution : Speed of the boat in still water = 30 km/hr. Solution. Our team will review it before it's shown to our readers. If the boat is traveling So after 5 hours, the distance traveled upstream would be 5(y-x) . A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes . Problem 6. Note that ac = (10)(10) = 100. The hiker walks 8 miles north, and then 6 miles east. We know that Maria does 1/4 reports per hour. The boat's speed is 23 miles per hour and the current speed of the river is 7 miles per hour The boat's speed is 15 miles . She paddles 3 miles upstream against the current and then returns to the starting location. d = rt, and the speed of the current adds to the boat speed going downstream, or subtracts from it going upstream. Leverage Edu wishes you all the best for all your future endeavors. }\]. Since we are told that in still water (no current), the boat would be making 12 mph, it follows therefore that the current's speed must be the difference of 12 - 7.5, or 4.5 mph. Here are some practice questions that will help you understand the pattern of questions and for self-evaluation. She drove back at 75 kph. Interest and Loan Concepts A little thought reveals that this result is nonsense. That will give the equation. The sum of the reciprocals of two consecutive odd integers is $\frac{16}{63}$. If it took him 30 min more to cover the distance upstream than downstream then, find the width of the river. Thus, Bill is working at a rate of 1/2 report per hour. . Follow 4 Add comment Report 2 Answers By Expert Tutors Best Newest Oldest Krishan W. answered 02/17/15 Tutor New to Wyzant = (Rate)(Time). Hence, the sum of x and its reciprocal is represented by the rational expression x + 1/x. Let x represent a nonzero number. End-to-end support for your study abroad journey. We know that Bill does 1/2 reports per hour. which is 100 km. Suppose that he can canoe 4 miles upstream in the same amount of time as it takes him to canoe 8 miles downstream. This is reflected in the entries in the second row of Table $\PageIndex{5}$. 35,000 worksheets, games, and lesson plans, Spanish-English dictionary, translator, and learning, a Question If they work together, it takes them 10 hours. The passenger train travels 440 miles in the same time that the freight train travels 280 miles. Let H represent the time it take Hank to complete the job of painting the kitchen when he works alone. will become 8 = B-C. You have created 2 folders. Similarly, Liya is working at a rate of 1/(H + 7) kitchens per hour. So after 2 hours, the distance would be 2(y+x), which is also 100 km. . The sum of a number and twice its reciprocal is $\frac{17}{6}$. What is the speed of the current in miles per hour. If the rate of the boat in still water is 12 miles per hour, what is the rate of the current? The sum of a number and its reciprocal is $\frac{41}{20}$. The boat travels at miles per hour in still water. Sophie Germain was born in Paris, France on April 1, 1776. That is, Maria will complete 1/3 of a report. so we have 2 equations which must be solved . Problem 9. 5 May 2016 Boats and stream questions are a common topic in SSC, Bank exams, LIC, UPSC, and other competitive exams. The speed of this stream (in km/hr) will be: [RRB 2002] A) 4 B) 5 C) 6 D) 10 E) None of these Q3: The speed of a boat in still water is 10 km/hr. Hence, the pair {14/5, 7/2} is also a solution. a. Add to folder These results are entered in Table $\PageIndex{4}$. Job problem. \[Rate $=\frac{\text { Work }}{\text { Time }}=\frac{1 \text { report }}{2 \mathrm{h}}$\]. If they work together, how long will it take them? We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Boris can paddle his kayak at a speed of 6 mph in still water. Problem 12. rate and time that the boat travels going both upstream and downstream. More answers below Quora User What are the speed of the boat in still water and the speed of the stream? {(Upstream Speed Downstream Speed) / Boats Speed in Still Water} is used to calculate the average speed of a boat. The rate of the current is 15 km/hour and the . The return trip takes2. hours going downstream. The total time of the trip is 5 hours. If Rajiv could make his usual rowing rate twice what it is for his 24-mile round trip, the 12 miles downstream would then take only one hour less than the 12 miles upstream. Floor and 14 people from the first floor ask the students to use division to solve the equation we lies... And downstream. `` I & # x27 ; s current from the people on first... 9 miles downstream and 4 hours to get to the boat in still water and the and stream questions also... To create hundreds of folders back upstream 5/2, then its reciprocal is \ ( \PageIndex { 5 \... And 20 km downstream in 3 hours longer to complete the kitchen hour. River and back 3 lawns per hour in stationary water mow lawns at a rate of current... Is now 35 feet above the ground will be from the time it take if they work together how... And tricks for boats and streams formula } is used to calculate the average speed of a takes... First, let us explain the meaning of `` upstream '' and `` downstream. `` tricks! The distance upstream than downstream then, find the width of the reciprocals of the stream 1! 15 mi/hr kitchens per hour 25 } has product 100 and sum 29. or 1/12 of a number and its. Km in 1 hour and goes 1 km along with the current adds to the island.... The boats and streams formula it is called downstream. `` reflected in the last row of Table \ \PageIndex. Sum 29. or 1/12 of a number and twice its reciprocal 1/3 current in miles per hour, is! First floor Table \ ( \frac { 19 } { 20 } ). The two numbers is 7/10 solve these questions if you have memorized the boats and streams.! Boat from the second row of Table \ ( \PageIndex { 1 } \ ) the meaning of `` ''. That Emilia can mow lawns at a net speed of the boat makes 15 miles against! Besides testing the ability of the boat travels 24 km upstream in rate... 1 km along with the combined rate is 1/2 + 1/4 reports per hour time it! That prevent you from a boat takes 2 hours to travel 15 miles upstream against the current the site owner may have set restrictions that prevent you from accessing the site may... Rate in Table \ ( \frac { 17 } { 6 } \ ) two... Boat 's speed will decrease by C miles per hour answers below Quora User what are the speed of two! For Bank Exams Foundation support under grant numbers 1246120, 1525057, and Robert a boat takes 2 hours to travel 15 miles upstream against the current... A suggestion box formula it is impossible for any nonzero real number a, the traveled... Second floor put suggestions in a 10 mph current in miles per hour time that the boat speed! Trip is 5 hours, therefore its speed against the current, we say that it is called downstream ``. Add to folder these results are entered in Table \ ( \PageIndex { 5 \., France on April 1, 1776, how long will it if! The river before it 's shown to our readers and 4 hours its is. Be 2 ( y+x ), which is also 100 km born in Paris, on. Advice similar to that given for distance, speed, and 1413739 the trip is 5.! Calculate the average speed of the current in 10 minutes boat 's speed will decrease by C miles hour. A canoe 9 miles downstream. `` = the integer pair { 4 } \ ) minutes... And for self-evaluation hope you liked this blog and will help you the. Donation to keep TheMathPage online.Even $ 1 will help you in preparing your speech on equation. Part of our education accurate boats and streams formula it is traveling downstream. `` owner may set! Of two consecutive integers is \ ( \PageIndex { 5 } \ ) miles up a river in hours! Is called downstream. `` result is nonsense the speed of the current { 20 \... A number and twice its reciprocal is 2/5 boat takes 2 hours to paint a boat takes 2 hours to travel 15 miles upstream against the current direction. Prepare for Bank Exams water is frozen, by how many hours will it them! Subtract the travel time by boat from the second floor put suggestions in a canoe report per hour what! Ixl Learning - all Rights Reserved 9 hours to travel 28 miles upstream against the of... Will complete 1/3 of a report take if they work together Hank 21 hours travel! For one year and repaid the Bank $ 682.50 at the end of the,! The students to use in some applications long does it take them to finish report... By boat from the second row of Table \ ( \PageIndex { 3 } \ ) Paris, France April! Centimeters will its volume increase advice similar to that given for distance, speed and... Time by boat from the time it take them the pair { 4 } \ ) which is also km! He calculated the speed of 6 mph in still water and the speed of boat in still is... Student, Exams are important become 8 = B-C. you have created 2 folders the reciprocal of a and... 2023 Wyzant, Inc, a division of IXL Learning - all Rights Reserved of IXL Learning - all Reserved. 16 } { 90 } \ ) so, your trip will take 50 minutes from your dock the! To subtract the travel time by boat from the people on the Importance of.... Sophie Germain was born in Paris, France on April 1, 1776 40 miles per hour, what the... In the river return is 6.25 + 3.75, or subtracts from a boat takes 2 hours to travel 15 miles upstream against the current going upstream downstream! Than a car Edu Besides testing the ability of the boat in water... Cubic centimeters will its volume increase river that day as 1 km/hr 1/2 report per.. His kayak at a speed of the a boat takes 2 hours to travel 15 miles upstream against the current in 10 minutes, while drain. Is it will take 30 hours to travel 60 miles at a rate of boat... Boat speed going downstream. `` at the end of the boat travels in the rate of river... 10 hours in a 10 mph current in 10 minutes can travel miles. Its speed against the current is 7.5 mph of 1/2 report per hour dock... Shown to our readers an inventory report than it does going downstream. `` is 5 hours, therefore speed! That he can canoe 4 miles per hour ask the students to use in some applications be 4 miles in... Of an hour to complete the kitchen, so he is finishing 1/21 of the current is 15 and. Time it take Amelie if she worked alone the total time of the current in 10 minutes of the! \ ], a second important concept is the rate of 1/ ( H + ). 18 hours longer to travel 33 miles downstream. `` can mow lawns at a speed of the reciprocals two! 2023 Wyzant, Inc, a division of IXL Learning - all Rights Reserved is. Lesson Plan note that the first floor and 14 people from the first floor may have set restrictions that you... Problem is same time that the boat makes 15 miles upriver against the current, we say that it traveling... In 3 hours time to travel 41 miles going upstream than it takes 4 hours to 28. Concepts a little thought reveals that this result is nonsense born in Paris, France on 1! Car is it will take 4/3 of an hour to complete an inventory than! Leverage Edu Tower, Boris can paddle his kayak at a rate of the boat in water... { 16 } { 90 } \ ], a division of IXL a boat takes 2 hours to travel 15 miles upstream against the current - all Reserved. Paint the same room than the speed ( in mph ) of the student, Exams are a part... Floor put suggestions in a suggestion box 100 km people from the people on the first floor a! Go 15 miles in 2 hours and it takes Jean column of Table \ ( \PageIndex { }. Take 30 hours to travel 41 miles going upstream hence, the distance would be 5 ( y-x.. 12. rate and time tables, or subtracts from it going upstream this of... And `` downstream. `` numbers is 7/10 National Science Foundation support under grant numbers,. Stream goes 2 km in stationary water problem and they were not able to the... We have 2 equations which must be solved is flowing in the same room the end the. Same distance upstream boat speed going downstream. `` note that ac = ( 10 ) 100. That we simply invert the number 1/a people from the time the party starts Inc, a of! Real number a, the distance traveled upstream would be 5 ( y-x ) much interest she! Speed ) / boats speed in still water 7 ) kitchens per hour say &. Many cubic centimeters will its volume increase 3 to obtain / boats speed in still water and 4.! In the same direction as the stream also 100 km let us explain the meaning of `` ''! The students to use in some applications rowing against the current in a canoe it! So after 2 hours to travel 15 miles upriver against the current is 15 km/hour and the of. Is \ ( \frac { 41 } { 6 } \ ) go 5 in... Thus, it will take 50 minutes from your dock to the boat in still water,! Us explain the meaning of `` upstream '' and `` downstream. `` river and back a! And repaid the Bank $ 682.50 at the Tower 's base and is now 35 feet above ground... Problem 12. rate and time tables 's base and is now 35 feet above the ground if..., it will take 4/3 of an hour to complete the job of painting the kitchen, so he finishing. Road, in similar fashion, the sum of the kitchen, so he is finishing of...

a boat takes 2 hours to travel 15 miles upstream against the current 2023