4. A large tank contains 100 gal of brine in which initially 50 lbs of salt are dissolved. Brine containing 1 lb of salt per gallon then flows into the tank at the rate of 3 gallon/minute while the mixture runs out of the tank at the rate of 2 gallons/minute. After 25 minutes, how much salt is in the tank?

4. A large tank contains 100 gal of brine in which initially 50 lbs of salt are dissolved. Brine containing 1 lb of salt per gallon then flows into the tank at the rate of 3 gallon/minute while the mixture runs out of the tank at the rate of 2 gallons/minute. After 25 minutes, how much salt is in the tank?

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter9: Surfaces And Solids

Section9.3: Cylinders And Cones

Problem 8E

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