SOLUTION: A boat travels at a constant rate of 8 miles per hour in still water. It travels upstream for 3/4 of an hour. It then turns around and travels downstream, returning to the starting

Question 123747: A boat travels at a constant rate of 8 miles per hour in still water. It travels upstream for 3/4 of an hour. It then turns around and travels downstream, returning to the starting point, in 1/2 of an hour. Find the rate of the current.
What's the answer and how do you solve it. This is driving me crazy! :-D Please Help
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
rate times time equals distance __ the distances are the same
let x=current __ (8-x)(3/4)=(8+x)(1/2)
multiplying by 4 to clear fractions __ 24-3x=16+2x
8=5x
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