SOLUTION: A motor boat can maintain a constant speed of 37 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 43 minutes. The return trip takes

Question 984983: A motor boat can maintain a constant speed of 37 miles per hour relative to the water.
The boat makes a trip upstream to a certain point in 43 minutes.
The return trip takes 31 minutes
What is the speed of current?

Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!

upstream r-c u d downstrm r+c b d upstream r-c u d=(r-c)*u downstrm r+c b d=(r+c)*b

Solve for c.

Evaluate c.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

A motor boat can maintain a constant speed of 37 miles per hour relative to the water.
The boat makes a trip upstream to a certain point in 43 minutes.
The return trip takes 31 minutes
What is the speed of current?

Speed of current: mph
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