3. A tank contains 1,500 liters of water and 20 kg. of dissolved salt. Fresh water is entering the tank at 15 liters per minute (the solution stays perfectly mixed) and the solution drains at a rate of 10 liters per minute. How much salt is in the tank a) 10 minutes, b) one half of an hour?

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
Chapter7: Applying Fractions
Section7.3: Equations With Fractional Coefficient
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3. A tank contains 1,500 liters of water and 20 kg. of dissolved salt. Fresh water is entering
the tank at 15 liters per minute (the solution stays perfectly mixed) and the solution
drains at a rate of 10 liters per minute. How much salt is in the tank a) 10 minutes, b)
one half of an hour?
Transcribed Image Text:3. A tank contains 1,500 liters of water and 20 kg. of dissolved salt. Fresh water is entering the tank at 15 liters per minute (the solution stays perfectly mixed) and the solution drains at a rate of 10 liters per minute. How much salt is in the tank a) 10 minutes, b) one half of an hour?
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