Question: The concentration of a solution is defined as the amount of a substance divided by the volume of the solution Suppose a vat contains 18

The concentration of a solution is defined as the amount of a substance divided by the volume of the solution Suppose a vat contains 18 kg of salt and 50 liters of water At t 0 water is added at a rate of 25 liters minute while salt is added at a rate of 9 kg minute A function giving the concentration after t minutes will be C t kg liter express as a function of t As time passes the concentration will Decrease Increase

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