a first order non homogenous equation
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A tank contains 200 liters of fluid n which 30 grams of salt is dissolved. Brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 4L/min; the well-mixed solution is pumped up at the same rate. Find the number A(t) of grams of salt in the tank at time t.
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A first order non homogenous equation is reiterated.
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The let A be the mass of salt in the tank. The concentration of salt in the tank is A/V, where V is the volume of the tank. If is the volume pumped out of ...
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