Mathematics, 09.03.2020 22:53 itscheesycheedar

A tank contains 200 gallons of water in which 300 grams of salt is dissolved. A brine solution containing 0.4 kilograms of salt per gallon of water is pumped into the tank at the rate of 5 liters per minute, and the well-stirred mixture is pumped out at the same rate. Let A (t) represent the amount of salt in the tank at time t. The amount of salt in the tank at time t is:

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A tank contains 200 gallons of water in which 300 grams of salt is dissolved. A brine solution conta...