Asked by nkrbasak | 12th Feb, 2011, 10:03: PM

Expert Answer:

Dear Student,
Here is the solution:
Downstream the rate is 20 MPH
Return is 20/2.5 OR 8 MPH
Thus the current is 1/2 the difference in the 2 rates (20-8)/2 OR 12/2=6 MPH 

Then the speed of the boat is 20-6=14 MPH.
Team Topperlearning 

Answered by  | 14th Feb, 2011, 04:51: PM

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