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A brine solution of salt flows at a constant rate of 4 ​L/min into a large...


A brine solution of salt flows at a constant rate of 4 ​L/min into a large tank that initially held 100 L of pure water. The solution inside the tank is kept well stirred and flows out of the tank at a rate of 3 ​L/min. If the concentration of salt in the brine entering the tank is 0.5​kg/L, determine the mass of salt in the tank after t min. When will the concentration of salt in the tank reach 0.1 ​kg/L?

Determine the mass of salt in the tank after t min.
mass = ___ kg

When will the concentration of salt in the tank reach 0.1 ​kg/L?
The concentration of salt in the tank reach 0.1 ​kg/L after __ minutes.
​(Round to two decimal places as​ needed.)

Math   Advanced-Math   
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