SOLUTION: An inlet pipe on a swimming pool can be used to fill the pool in 38 hours. The drain pipe can be used to empty the pool in 39 hours. If the pool is 2/3 filled and then the inlet pi

Question 923059: An inlet pipe on a swimming pool can be used to fill the pool in 38 hours. The drain pipe can be used to empty the pool in 39 hours. If the pool is 2/3 filled and then the inlet pipe and drain pipe are opened, how long from that time will it take to fill the pool?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
The job to be done is , "FILL THE POOL" units.

Without the descriptive discussion,....

Using t for how many hours to fill the partially filled pool.
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