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5. A tank holds 300 gallons of brine solution with 40 lbs of salt. A mixture with which h concentration of 2lbs/gal is pumped in at a rate of 4 gal/min. The well- stirred mixtu pumped out at a rate of 3 gal/min. How much salt is in the tank at the end of 12 - min?

5. A tank holds 300 gallons of brine solution with 40 lbs of salt. A mixture with which h concentration of 2lbs/gal is pumped in at a rate of 4 gal/min. The well- stirred mixtu pumped out at a rate of 3 gal/min. How much salt is in the tank at the end of 12 - min?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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5. A tank holds 300 gallons of brine solution with 40 lbs of salt. A mixture with which has a concentration of 2lbs/gal is pumped in at a rate of 4 gal/min. The well- stirred mixture is pumped out at a rate of 3 gal/min. How much salt is in the tank at the end of 12-min? What is the concentration of the leaving mixture at the end of 12 - min?
Transcribed Image Text:5. A tank holds 300 gallons of brine solution with 40 lbs of salt. A mixture with which has a concentration of 2lbs/gal is pumped in at a rate of 4 gal/min. The well- stirred mixture is pumped out at a rate of 3 gal/min. How much salt is in the tank at the end of 12-min? What is the concentration of the leaving mixture at the end of 12 - min?
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