Alex can row a boat 10 mph in still water. He can row 21 miles upstream in the local creek in the same amount of time that it takes him to row 40 miles downstream. To the nearest half mile per hour, what is the current in the creek?

Q: Nicholas paddles his canoe downstream from the Lodge to Big Bend in 2 hours and then back upstream…

A: Let x be the speed in still water and y be the speed of the current. Tabulate the given information

Q: An airplane flies the 3000-mi distance from Los Angeles to New York, with a tailwind, in 5 hr. The…

A: The solution of the problem is given in the next step.

Q: Mai biked 6 3/4 miles today, Noah biked 4 1/2 miles. How many times farther did Mai bike than Noah?

A: The objective of this question is to find out how many times farther Mai biked than Noah.

Q: A cyclist rides his bike at a rate of  27  miles per hour. What is this rate in miles per minute?…

A: The objective of this question is to convert the speed of the cyclist from miles per hour to miles…

Q: A tour bus has a range of 700 miles on one tank (140 gallons) of gasoline. How far does the bus…

A: Given that the bus covers a range of 700 miles with 140 gallons.

Q: You can bike at a constant speed of 25 miles per hour. You have 3.5 hours this afternoon for your…

A: Speed of bike = 25 miles/hour Time = 3.5 hours To calculate  Total distance covered in 3.5 hours

Q: A paddleboard can travel 80 feet downstream in the same time it takes to travel 40 feet upstream. If…

A: To find the speed of the current.

Q: Zene decides to canoe 9 miles upstream on a river to a waterfall and then canoe back. The total…

A: Upstream speed: When a boat moves against the direction of current flow.  Net speed = speed of the…

Q: Annie skated 1 3/4 miles from home to the lake, then went 1 1/3 miles around the lake before going…

A:

Q: Greg is paddling his canoe upstream, against the current to a fishing spot 10 miles away. If he…

A:

Q: An aircraft carrier left Guam at the same time as a submarine. The ships traveled in opposite…

A: It is given that the aircraft carrier and the submarine are travelling in different directions. So…

Q: It took a salmon 45 seconds to swim upstream to a certain spot. The salmon then turned around to…

A: To find speed of salmon

Q: A glacier is a giant mass of rocks and ice that flows downhill like a river. Portage Glacier in…

A: