8. A tank contains 200 liters of fresh water. Brine containing 2.5 N/liter of dissolved salt runs into the tank at the rate of 8 liters/min and the mixture kept uniform by stirring runs out at 4 liters/min. Find the amount of salt when the tank contains 240 liters of brine. The concentration of salt in the tank after 25 minutes amounts to how much?
8. A tank contains 200 liters of fresh water. Brine containing 2.5 N/liter of dissolved salt runs into the tank at the rate of 8 liters/min and the mixture kept uniform by stirring runs out at 4 liters/min. Find the amount of salt when the tank contains 240 liters of brine. The concentration of salt in the tank after 25 minutes amounts to how much?
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
ChapterP: Prerequisites
SectionP.9: Modeling With Equations
Problem 19E
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