Mathematics, 23.06.2021 01:30 anaroles04

tank contains 250 liters of fluid in which 20 grams of salt is dissolved. Pure water is then pumped into the tank at a rate of 5 L/min; the well-mixed solution is pumped out at the same rate. Find the number A(t) of grams of salt in the tank at time t.

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tank contains 250 liters of fluid in which 20 grams of salt is dissolved. Pure water is then pumped...