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SAT, 26.02.2022 06:00 maliyah7516

A tank initially holds 100 gallons of salt solution in which 50 lbs of salt has been dissolved. A pipe fills the tank with brine at the rate of 3 gpm, containing 2 lbs of dissolved salt per gallon. Assuming that the mixture is kept uniform by stirring, a drain pipe draws out of the tank the mixture at 2 gpm. Find the amount of salt in the tank at the end of 30 minutes.

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A tank initially holds 100 gallons of salt solution in which 50 lbs of salt has been dissolved. A pi...
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