A well-mixed 80-liter tank initially contains 30 g of salt

MATHEMATICS · Subjective · CBSE · Mathematics · Differential Equations · Differential Equations

Problem

A well-mixed 80-liter tank initially contains 30 g of salt. Brine containing 6 g/L of salt enters at 5 L/min, and the mixture leaves at the same rate. Find an explicit expression for the amount of salt Q(t)Q(t) (in grams) in the tank for t≥0t \ge 0.

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