Asked by Anonymous
A person rowed her boat upstream a distance of 45
mi and then rowed back to the starting point. The total time of the trip was 14
hours. If the rate of the current was 2
mph, find the average speed of the boat in still water.
mi and then rowed back to the starting point. The total time of the trip was 14
hours. If the rate of the current was 2
mph, find the average speed of the boat in still water.
Answers
Answered by
Steve
since time = distance/speed,
45/(x-2) + 45/(x+2) = 14
45/(x-2) + 45/(x+2) = 14
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