SOLUTION: A motorboat travels downstream for a distance of 45 miles in 3 hours and makes the return trip in 5 hours. Find the rate of the current in the river and the rate of the motorboat

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Question 1088109: A motorboat travels downstream for a distance of 45 miles in 3 hours and makes the return trip in 5 hours. Find the rate of the current in the river and the rate of the motorboat in still water.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let m be the motorboat, and c be the current. Then:
m+c=45/3=15
m-c=45/5=9
2m=24
m=12
c=3
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