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Mathematics, 09.04.2020 17:26 kinz5550

A tank initially contains 60 gal of pure water. Brine containing 1 lb of salt per gallon enters the tank at 2 gal/min and the (perfectly mixed) solution leaves the tank at 3 gal/min; thus the tank is empty after exactly 1 hr. A) find the amount of salt in the tank after t minutes
B) what is the maximum amount of salt ever in the tank?

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