Question

A person can row 8 1/2 km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream ?​

Answer 1

Answer:

hlo

your answer is here !

Step-by-step explanation:

Given speed of the person = 8 1/2 = 17/2 kmph

Let the speed of the stream = x kmph

speed of upstream = 17/2 - x

speed of downstream = 17/2 + x

But given that,

2(17/2 - x) = 17/2 + x

=> 3x = 17/2

=> x = 2.83 kmph.

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