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A large tank contains 100 gallons of brine in which 10 lbs. of salt is dissolved. containing 0.2 lbs. of salt to the gallon runs into the tank at the rate of 6 gal/ mixture, kept uniform by stirring, runs out of the tank at the rate of 4 gal/min. amount of salt in the solution in the tank at the end of t min.

A large tank contains 100 gallons of brine in which 10 lbs. of salt is dissolved. containing 0.2 lbs. of salt to the gallon runs into the tank at the rate of 6 gal/ mixture, kept uniform by stirring, runs out of the tank at the rate of 4 gal/min. amount of salt in the solution in the tank at the end of t min.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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9. A large tank contains 100 gallons of brine in which 10 lbs. of salt is dissolved. Brine containing 0.2 lbs. of salt to the gallon runs into the tank at the rate of 6 gal/min. The mixture, kept uniform by stirring, runs out of the tank at the rate of 4 gal/min. Find the amount of salt in the solution in the tank at the end of t min.
Transcribed Image Text:9. A large tank contains 100 gallons of brine in which 10 lbs. of salt is dissolved. Brine containing 0.2 lbs. of salt to the gallon runs into the tank at the rate of 6 gal/min. The mixture, kept uniform by stirring, runs out of the tank at the rate of 4 gal/min. Find the amount of salt in the solution in the tank at the end of t min.
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