Mathematics, 29.12.2020 22:10 Aethis

A boat traveled 54 km with the stream and 42 km against the stream spending a total of as much time as it would spend while travelling 96 km in a lake. Find the speed of boat while it is travelling in the lake, if the current of the river is 3 km/hour.

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A boat traveled 54 km with the stream and 42 km against the stream spending a total of as much time...