SOLUTION: the water current is 2 miles per hour . a canoe can travel 6 mile downstream with the current, in the same amount of time it travel 2 miles upstream against the current. what is th
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Question 270393: the water current is 2 miles per hour . a canoe can travel 6 mile downstream with the current, in the same amount of time it travel 2 miles upstream against the current. what is the canoe rate in still water?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
t = d / r ___ times are the same, upstream and downstream
6 / (c + 2) = 2 / (c - 2)
"cross" multiplying ___ 6c - 12 = 2c + 4
4c = 16 ___ c = 4
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