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Mathematics, 16.07.2020 23:01 hadilalhjajih
A tank contains 4,000 L of brine with 18 kg of dissolved salt. Pure water enters the tank at a rate of 40 L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate.
a. How much salt is in the tank after t minutes?
b. How much salt is in the tank after 30 minutes? (Round your answer to one decimal place.
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A tank contains 4,000 L of brine with 18 kg of dissolved salt. Pure water enters the tank at a rate...
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