Mathematics
Mathematics, 28.02.2021 03:00, ashleydenson1517

Working together, Pump C and Pump D can drain 2 pools in 21 hours. How long would it take each pump working individually to drain the same two pools if it takes Pump D 3 hours longer per one pool.

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Working together, Pump C and Pump D can drain 2 pools in 21 hours. How long would it take each pump...

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