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A tank contains 90 kg of salt and 2000 L of water. Pure water enters a...

A tank contains 90 kg of salt and 2000 L of water. Pure water enters a tank at the rate 10 L/min. The solution is mixed and d

A tank contains 90 kg of salt and 2000 L of water. Pure water enters a tank at the rate 10 L/min. The solution is mixed and drains from the tank at the rate 13 L/min. Let y be the number of kg of salt in the tank after t minutes. The differential equation for this situation would be: dy dt = y(0) -
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is the Foro mixing proplems we me, dy (rate in) - (nate out) у amount of salt in the tank at time t. The water, entering theNow differential equation is, dy 4.13 2000 dt dy У 13 at 2000 Integrate Iny 13t 2000 + c - 13t 2000 = 13t 2000 7 - e e -13t y

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