SOLUTION: One hose can fill a pond in 18 minutes, and two hoses can fill the same pond in 14 min. Find how long it takes for the second hose alone to fill the pond.
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Question 388096: One hose can fill a pond in 18 minutes, and two hoses can fill the same pond in 14 min. Find how long it takes for the second hose alone to fill the pond.
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
One hose can fill a pond in 18 minutes, and two hoses can fill the same pond in 14 min. Find how long it takes for the second hose alone to fill the pond.
.
Let x = time (mins) it takes second hose alone
then
14(1/18 + 1/x) = 1
multiplying both sides by 18x:
14(x + 18) = 18x
14x + 252 = 18x
252 = 4x
63 minutes = x
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