Asked by manavi
A man swimming in a river finds that it takes him thrice the time to swim 2 km upstream as it takes him to swim bac. If the river flows at the rate of 1.5 km/hr, find the swimming speed of the man in still water.
Answers
Answered by
Steve
since time = distance/speed,
2/(s-1.5) = 3 * 2/(s+1.5)
2/(s-1.5) = 3 * 2/(s+1.5)
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