A tank contains 1000 liters of brine. Brine containing 0.4 kg/liter of salt flows in at 10 liters/minute, and the mixture kept uniform by stirring, flows out at the rate of 15 liters/minute. If the concentration of the salt is 0.8 kg/liter at the end of 30 - minutes, how much was the concentration of salt at the beginning?
A tank contains 1000 liters of brine. Brine containing 0.4 kg/liter of salt flows in at 10 liters/minute, and the mixture kept uniform by stirring, flows out at the rate of 15 liters/minute. If the concentration of the salt is 0.8 kg/liter at the end of 30 - minutes, how much was the concentration of salt at the beginning?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.5: Equations With The Variable On Both Sides
Problem 16P
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