Asked by Trisan

A boat travels 60 km upstream and back again in 8 hours. If the speed of the boat is 16 km/h, what is the speed of the current?

Answers

Answered by Reiny
Let the speed of the boat be x km/h

60/(16+x( + 60/(16-x) = 5

hint: multiply each term by (16+x)(16-x)

(I got x=8)
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