Mathematics, 20.04.2021 17:30 Emmaxox715

A tank initially contains 700 gallons of water in which 5 pounds of salt are dissolved. A salt solution containing 2.5 pound of salt per gallon is poured into the tank at a rate of 5 gal/min. The mixture in the tank is stirred and drained off at the rate of 9 gal/min

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A tank initially contains 700 gallons of water in which 5 pounds of salt are dissolved. A salt solut...