A boat can cover 15 km upstream and 22 km downstream in 5 hours. It can cover 20 km upstream and 55/2 km downstream in 13/2 hours. What is the speed (in km/hr) of the stream?

A boat can cover 15 km upstream and 22 km downstream in 5 hours. It ca

1.	A boat can cover 15 km upstream and 22 km downstream in 5 hours. It can cover 20 km upstream and 55/2 km downstream in 13/2 hours. What is the speed (in km/hr) of the stream?
A.	3
B.	5
C.	8
D.	11
Answer» B. 5

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A boat can cover 15 km upstream and 22 km downstream in 5 hours. It can cover 20 km upstream and 55/2 km downstream in 13/2 hours. What is the speed (in km/hr) of the stream?

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