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Unformatted text preview: of 6 gal/min. The wellmixed solution is then pumped out at a slower rate of 4 gal/min. a) Find the number of pounds of salt in the tank after 30 minutes. b) Estimate when the amount of the salt in the tank will be 100 pounds. Q3. A certain city had a population of 1.5 million now. Assume that it grows continuously at a 4% annual rate, and there is a constant immigration from the city at 50 thousand people per year. What will be its population after 25 years? Formulate the problem first and solve it....
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This note was uploaded on 02/12/2012 for the course MTH 205 taught by Professor Sadik during the Spring '11 term at American Dubai.
 Spring '11
 sadik
 Differential Equations, Equations

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