A boat travels 15 km upstream in 3 hours and 20 km downstream in 2 hours. What is its speed in still water?
A boat travels 15 km upstream in 3 hours and 20 km…
Written by
in
Written by
in
A boat travels 15 km upstream in 3 hours and 20 km downstream in 2 hours. What is its speed in still water?
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