SOLUTION: A fisherman can row upstream at 1 mph and downstream at 4 mph. He started rowing upstream until he got tired and then rowed downstream to his starting point. How far did the fisher

Question 952213: A fisherman can row upstream at 1 mph and downstream at 4 mph. He started rowing upstream until he got tired and then rowed downstream to his starting point. How far did the fisherman row if the entire trip took 6 hours?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A fisherman can row upstream at 1 mph and downstream at 4 mph. He started rowing upstream until he got tired and then rowed downstream to his starting point. How far did the fisherman row if the entire trip took 6 hours?
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Avg speed of the round trip is 2*1*4/(1+4) = 1.6 mi/hr
RT distance = r*t = 1.6*6 = 9.6 miles
--> 4.8 miles each way
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