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Mathematics, 19.10.2021 14:10 iikatreii

Old Mac D purchased a pool with a capacity of 100 gallons. One day at 1pm he placed a hose that filled it at 5g/h. After 10 hours, farm animals started drinking water at 2g/h.5 hours after that, farmer put in a 2nd hose that filled it at a rate if 4g/h. when did he have a pool full of water?

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