A tank contains 80 kg of salt and 1000 L of water. A solution of a concentration 0.04 kg of salt per liter enters a tank at the rate 5 L/min. The solution is mixed and drains from the tank at the same rate. a.) What is the concentration of our solution in the tank initially? concentration = b.) Find the amount of salt in the tank after 1.5 hours. amount = (kg/L) (kg)

College Algebra
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ISBN:9781938168383
Author:Jay Abramson
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Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
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A tank contains 80 kg of salt and 1000 L of water. A solution of a concentration 0.04 kg of salt per liter enters a
tank at the rate 5 L/min. The solution is mixed and drains from the tank at the same rate.
a.) What is the concentration of our solution in the tank initially?
concentration =
b.) Find the amount of salt in the tank after 1.5 hours.
amount =
(kg/L)
(kg)
concentration =
c.) Find the concentration of salt in the solution in the tank as time approaches infinity.
(kg/L)
Transcribed Image Text:A tank contains 80 kg of salt and 1000 L of water. A solution of a concentration 0.04 kg of salt per liter enters a tank at the rate 5 L/min. The solution is mixed and drains from the tank at the same rate. a.) What is the concentration of our solution in the tank initially? concentration = b.) Find the amount of salt in the tank after 1.5 hours. amount = (kg/L) (kg) concentration = c.) Find the concentration of salt in the solution in the tank as time approaches infinity. (kg/L)
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