A tank contains 20 kg of salt dissolved in 5000 L of water. Brine that contains 0.03
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A tank contains 20 kg of salt dissolved in 5000 L of water. Brine that contains 0.03 kg of salt per liter of water enters the tank at a rate of 25 L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate. How much salt remains in the tank after half an hour?
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Let yt be the amount of salt in kilograms after t minu...View the full answer
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