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consider a large tank initially holding 300 L of solution in which 20 Kg of sugar...

consider a large tank initially holding 300 L of solution in which 20 Kg of sugar was dissolved, a solution of sugar begins to flow at a constant rate of 9 L/min into the tank. the solution inside the tank is kept well stirred and is flowing out of the tank at the rate of 6 L/min. if the concentration of sugar in the solution entering the tank is 0.5 Kg/L. determine the mass of the sugar in the tank after 10 minutes.

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