1. A large tank holds 100 gallons of fluid in which 10 pounds of salt is dissolved. A mixture containing 2 lb. of salt per gallon flows into the tank at the rate of 6 gal./min. and the well-stirred mixture flows out of the tank at the rate of 4 gal./min. a.) How many gallons of solution are in the tank after 10 minutes? After 1 hour? b.) How much salt is in the tank after 10 minutes? After 1hour? c.) In how many minutes will the tank contain 40 pounds of salt?

1. A large tank holds 100 gallons of fluid in which 10 pounds of salt is dissolved. A mixture containing 2 lb. of salt per gallon flows into the tank at the rate of 6 gal./min. and the well-stirred mixture flows out of the tank at the rate of 4 gal./min. a.) How many gallons of solution are in the tank after 10 minutes? After 1 hour? b.) How much salt is in the tank after 10 minutes? After 1hour? c.) In how many minutes will the tank contain 40 pounds of salt?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter4: Polynomial And Rational Functions

Section4.3: Zeros Of Polynomials

Problem 67E

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