SOLUTION: One pipe can fill a pool 3 times faster than a second pipe. When both pipes are opened, they fill the pool in 4 hours. How long would it take to fill the pool if only the slower pi

Question 1147229: One pipe can fill a pool 3 times faster than a second pipe. When both pipes are opened, they fill the pool in 4 hours. How long would it take to fill the pool if only the slower pipe is used?
Answer by josgarithmetic(39613) (Show Source): You can put this solution on YOUR website!
slow pipe, 1/x
fast pipe, 3/x
pipes together , 1/4

-------------------sixteen hours for the slow pipe if alone
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