Mathematics, 23.03.2021 03:50 ctyrector

A motorboat maintained a constant speed of 20 miles per hour relative to the water in going 21 miles upstream and then returning. The total time for the trip was 2.5 hours. Use this information to find the speed of the current.

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A motorboat maintained a constant speed of 20 miles per hour relative to the water in going 21 miles...

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