A boat covers 8 km in 7 hours. Upstream and 12 km downstream. She goes – McqOptions

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1.	A boat covers 8 km in 7 hours. Upstream and 12 km downstream. She goes 9 km upstream and 18 km downstream in 9 hours. What is the speed (in km/h) of the boat in still water?
A.	5
B.	4
C.	3
D.	2
Answer» D. 2

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