A tank contains 1000L of pure water. Brine that contains 0.02kg of salt per liter enters the tank at a rate of 5L/min. Also, brine that contains 0.07kg of salt per liter enters the tank at a rate of 10L/min. The solution is kept thoroughly mixed and drains from the tank at a rate of 15L/min. Answer the following questions. 1. How much salt is in the tank after t minutes? Answer (in kilograms): S(t) = 2. How much salt is in the tank after 5 hours? Answer (in kilograms):
A tank contains 1000L of pure water. Brine that contains 0.02kg of salt per liter enters the tank at a rate of 5L/min. Also, brine that contains 0.07kg of salt per liter enters the tank at a rate of 10L/min. The solution is kept thoroughly mixed and drains from the tank at a rate of 15L/min. Answer the following questions. 1. How much salt is in the tank after t minutes? Answer (in kilograms): S(t) = 2. How much salt is in the tank after 5 hours? Answer (in kilograms):
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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Transcribed Image Text:A tank contains 1000L of pure water. Brine that contains 0.02kg of salt per liter enters the tank at a rate of
5L/min. Also, brine that contains 0.07kg of salt per liter enters the tank at a rate of 10L/min. The solution is kept
thoroughly mixed and drains from the tank at a rate of 15L/min. Answer the following questions.
1. How much salt is in the tank after t minutes?
Answer (in kilograms): S(t) =
...
2. How much salt is in the tank after 5 hours?
Answer (in kilograms):
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