Suppose that a large mixing tank initially holds 100 gallons of water in which 50 pounds of salt have been dissolved. An

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Suppose That A Large Mixing Tank Initially Holds 100 Gallons Of Water In Which 50 Pounds Of Salt Have Been Dissolved An 1 (10.67 KiB) Viewed 27 times

Suppose that a large mixing tank initially holds 100 gallons of water in which 50 pounds of salt have been dissolved. Another brine solution is pumped into the tank at a rate of 3 gal/min, and when the solution s well stirred, it is then pumped out at a slower rate of 2 gal/min. If the concentration of the solution entering is 2 lb/gal, determine a differential equation (in lb/min) for the amount of salt A(t) (in lb) in the tank at time t > 0. (Use A for A(t).) DA = dt lb/min