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A large tank contains 100 liters of a salt solution with a concentration of 50 grams/Liter....

A large tank contains 100 liters of a salt solution with a concentration of 50 grams/Liter. A salt solution which has a concentration of 4grams/Liter is added at 2 Liters per minute. At the same time, the solution drains from the tank at 2 liters per minute.

Set up a differential equation describing the rate of change of the amount of salt S with respect to time t:

dS/dt = _________________

Solve for the differential equation

S=____________________

Math   Calculus   
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