A boat covers 143 km upstream in 13 hours and the same distance downstream in 11 hours. What is the speed (in km/hr) of the boat in still water?_x005F_x000D_

A boat covers 143 km upstream in 13 hours and the same distance downst

1.	A boat covers 143 km upstream in 13 hours and the same distance downstream in 11 hours. What is the speed (in km/hr) of the boat in still water?_x005F_x000D_
A.	10
B.	12
C.	14
D.	8
Answer» C. 14

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A boat covers 143 km upstream in 13 hours and the same distance downstream in 11 hours. What is the speed (in km/hr) of the boat in still water?_x005F_x000D_

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