Engineering, 12.07.2021 19:00 jacksonyodell4184

A tank contains 70 kg of salt and 1000 L of water. Pure water enters a tank at the rate 8 L/min. The solution is mixed and drains from the tank at the rate 9 L/min. Let A be the number of kg of salt in the tank after t minutes.
(a) Write a differential equation with an initial condition (an initial value problem) to model the given scenario.
(b) Solve the differential equation, show work.
(c) Graph the solution found in part (b) by hand or using a computer, label the axes.
(d) Determine the amount of salt in the tank at t = 60 minutes.

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A tank contains 70 kg of salt and 1000 L of water. Pure water enters a tank at the rate 8 L/min. The...