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Mathematics, 06.04.2020 23:37 ksteele1
And inlet pipe on a swimming pool can be used to fill the pool and 26 hours. The drain pipe can be used in the pool in 30 hours. If the pool is 2/5 filled and then the inlet pipe and drain pipe are open, how long from that time will it take to fill the pool?
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And inlet pipe on a swimming pool can be used to fill the pool and 26 hours. The drain pipe can be u...
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