A motorboat heads upstream a distance of 24 miles on a river whose current is running at 3 miles per hour. The trip up and back takes 6 hours. Assuming that the motorboat maintained a constant speed relative to the water, what was its speed?

Question

Mathematics

Tiana Randolph

20 June, 09:45

A motorboat heads upstream a distance of 24 miles on a river whose current is running at 3 miles per hour. The trip up and back takes 6 hours. Assuming that the motorboat maintained a constant speed relative to the water, what was its speed?

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Answers (2)

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Gerald Friedman · Answer 1

9mph is the boat's actual speed.

12mph with the stream and 6mph against the stream.

12mph takes 2 hours to get there and 6mph takes 4 to get back = 6hours.

Grant Maddox · Answer 2

To get speed you do Distance/Time.