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# Referring to Figure 10.5, tank 1 initially contains 200

ISBN: 9781111427412 173

## Solution for problem 10.56 Chapter 10

Advanced Engineering Mathematics | 7th Edition

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Problem 10.56

Referring to Figure 10.5, tank 1 initially contains 200 gallons of saltwater (brine), while tank 2 initially contains 300 gallons of brine. Beginning at time 0, brine is pumped into tank 1 at the rate of 4 gallons per minute, pure water is pumped into tank 2 at 6 gallons per minute, and the brine solutions are interchanged between the two tanks and also flow out of both tanks at the rates shown. The input to tank 1 contains 1/4 pound of salt per gallon, tank 1 initially has 200 pounds of salt, and tank 2 initially has 150 pounds of salt. Determine the amount of salt in each tank at time t > 0.

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Monday 30 October 2017 Summary of class: Reviewed for test Asked any last minute questions about material Notes: n/a Wednesday 01 November 2017 Summary of class: Went over obj. 17 part 1 Notes: Friday 03 November 2017 Summary of class: Went over obj 17 part 2 Notes:

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