Mathematics, 16.10.2019 14:00 rachelkim999

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current?

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Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 ho...

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