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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 from the tank at a rate of 15 L/min.
(a) How much salt is in the tank after tminutes?(b) How much salt is in the tank after 60 minutes? (Round theanswer to one decimal place.)
Answers: 3
Mathematics, 21.06.2019 16:30
Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?
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Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =
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Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b
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A tank contains 1000 L of pure water. Brine that contains 0.05 kg of salt per liter of water enters...
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