SOLUTION: On Lake Itasca a man can row his boat 5 miles per hour. On the nearby Mississippi River it takes him the same time to row 5 miles downstream as it does 3 miles upstream. What is th
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Question 858766: On Lake Itasca a man can row his boat 5 miles per hour. On the nearby Mississippi River it takes him the same time to row 5 miles downstream as it does 3 miles upstream. What is the speed of the river current in miles per hour?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
r*t=d
(5-c)*t=3,
(5+c)*t=5
c = 5/4 =1.25 mph, t = 4/5 hour or 48 minutes
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