SOLUTION: On a weekend outing, charles rents a motorboat for 10 hours to travel down the river and back. The rental operator tells him to go 4 hours downstream, leaving 6 hours to return ups
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Question 902597: On a weekend outing, charles rents a motorboat for 10 hours to travel down the river and back. The rental operator tells him to go 4 hours downstream, leaving 6 hours to return upstream.
If the river current flows at a speed of 5 mph how fast must Charles travel in order to return in 10 hours?
How far downstream did Charles go before he turned back?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
4(r+5mph) = 6(r-5mph)
50 = 5r
10mph = r, speed of boat
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