A tank contains 1000 L of pure water. Brine that contains 0.05 kg of salt per liter of water enters the tank at a rate of 5 L/min. Brine that contains 0.04 kg of salt per liter of water enters the tank at a rate of 10 L/min. The solution is kept thoroughly mixed and drains rom the tank at a rate of 15 L/min. (a) How much salt is in the tank after t minutes? kg (b) How much salt is in the tank after 80 minutes? (Round the answer to one decimal place.) kg

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Q: A tank contains 100 gal of brine made by dissolving 80 lb of salt in water. Pure water runs into the…

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