A tank contains 90 kg of salt and 1000 L of water. A solution of a concentration 0.045 kg of salt per liter enters a tank at the rate 9 L/min. The solution is mixed and drains from the tank at the same rate. (a) What is the concont Esolution in the tank initiall2
A tank contains 90 kg of salt and 1000 L of water. A solution of a concentration 0.045 kg of salt per liter enters a tank at the rate 9 L/min. The solution is mixed and drains from the tank at the same rate. (a) What is the concont Esolution in the tank initiall2
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 45SE: A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the...
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Transcribed Image Text:A tank contains 90 kg of salt and 1000 L of water. A solution of a concentration 0.045 kg of salt per
liter enters a tank at the rate 9 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
(kg/L)
(b) Find the amount of salt in the tank after 1.5 hours.
amount =
(kg)
(c) Find the concentration of salt in the solution in the tank as time approaches infinity.
concentration =
(kg/L)
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