A person can row 71/2 km/h in still water. It takes him twice as long to row up a distance as to row down the same distance. Find the speed of the stream ?

A person can row 71/2 km/h in still water. It takes him twice as long

1.	A person can row 7¹/₂ km/h in still water. It takes him twice as long to row up a distance as to row down the same distance. Find the speed of the stream ?
A.	2 km/h
B.	2.2 km/h
C.	2.5 km/h
D.	2.7 km/h
Answer» D. 2.7 km/h

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A person can row 71/2 km/h in still water. It takes him twice as long to row up a distance as to row down the same distance. Find the speed of the stream ?

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A person can row 7¹/₂ km/h in still water. It takes him twice as long to row up a distance as to row down the same distance. Find the speed of the stream ?