# 12b. A 100-L beaker contains 10 kg of salt. Pure water is added at the constant...

12b. A 100-L beaker contains 10 kg of salt. Pure water is added at the constant rate of 5 L/min with complete mixing and drawn off at the same rate. How much salt is in the beaker after 1 hour? [Let y(t) be the amount of salt in the beaker at any timet dV (Hint: .-C . Please show the values of the constants at each step of your solution) di

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