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Unformatted text preview: Math 3323 - Fall 2009 Muham— Quiz #9
Due Wednesday, September 23"“, at the beginning of class Set up and solve the following mixture problem. A tank initially contains 100 gallons of fresh water. Brine containing 2
pounds per gallon of salt runs into the tank at the rate of 4 gallons per minute, and
the mixture, kept uniform by stirring, runs out at the rate of 2 gallons per minute.
Find the concentration of salt in the tank at the end of 20 minutes. age-two
2H!” ._-_ Q. = 1" “’03 ...
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- Spring '08