Posted: March 24th, 2017
A boat travels 4 km upstream and 4 km back. The time for the round trip is 2 hours. The speed of the stream is 3 km/hr. What is the speed of the boat in still water?
A boat travels 4 km upstream and 4 km back. The time for the round trip is 2 hours. The speed of the stream is 3 km/hr. What is the speed of the boat in still water?
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