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Virtual Math Learning Center

Virtual Math Learning Center Texas A&M University Virtual Math Learning Center

MATH 308 WIR22A V12

Author: Kamran Reihani

The following problem is solved in this video. It is recommended that you try to solve the problem before watching the video. You can click "Answer" to reveal the answer to the problem.

Problem: A 120-gallon tank initially contains 90 lb of salt dissolved in 90 gallons of water. Brine containing 2 lb/gal of salt flows into the tank at a rate of 4 gal/min, and the well-stirred mixture flows out of the tank at a rate of 3 gal/min. How much salt does the tank contain when it is full?

202 lbs of salt

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