4. A large tank initially contains 150 gallons of fluid, with 6 pounds of salt dissolved in it. Brine containing 18 pounds of salt per gallon is pumped into the tank at a rate of 6 pounds per minute. The "well-mixed" solution is then pumped out at a rate of 3 gallons per minute. Find the amount of salt (a) at any time, t (b) after 45 minutes.
4. A large tank initially contains 150 gallons of fluid, with 6 pounds of salt dissolved in it. Brine containing 18 pounds of salt per gallon is pumped into the tank at a rate of 6 pounds per minute. The "well-mixed" solution is then pumped out at a rate of 3 gallons per minute. Find the amount of salt (a) at any time, t (b) after 45 minutes.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 5T
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