A man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream?

A man rows his boat 85 km downstream and 45 km upstream, taking 2 1

1.	A man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream?
A.	5 kmph
B.	6 kmph
C.	7 kmph
D.	8 kmph
Answer» E.

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A man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream?

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