Mathematics, 18.03.2021 03:30, averycipher

With the river water current, a motorboat can travel 84 miles in 2 hours. Against the river water current, the same trip takes 3 hours. Find the average rate (speed: miles/hour) of the motorboat in still river
water and the average rate (speed: miles/hour) of the river water current.

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With the river water current, a motorboat can travel 84 miles in 2 hours. Against the river water cu...