Problem: A tank contains 20 kg of salt dissolved in 5000 L of water. Brine that contains 0.03 kg of salt per liter of water enters the tank at a rate of 25 L/min. The solution is kept thoroughly mixed. If the rate of outflow is 30 L/min, what is the concentration of the well-mixed solution after 5 hours have elapsed? Do not round-off intermediate values. Use five decimal places for the final answer. A) 0.03395 kg/L B) 0.00489 kg/L C) 0.19203 kg/L D 0.02000 kg/L E) There is no correct answer from the given options.
Problem: A tank contains 20 kg of salt dissolved in 5000 L of water. Brine that contains 0.03 kg of salt per liter of water enters the tank at a rate of 25 L/min. The solution is kept thoroughly mixed. If the rate of outflow is 30 L/min, what is the concentration of the well-mixed solution after 5 hours have elapsed? Do not round-off intermediate values. Use five decimal places for the final answer. A) 0.03395 kg/L B) 0.00489 kg/L C) 0.19203 kg/L D 0.02000 kg/L E) There is no correct answer from the given options.
Chapter6: Exponential And Logarithmic Functions
Section6.1: Exponential Functions
Problem 60SE: The formula for the amount A in an investmentaccount with a nominal interest rate r at any timet is...
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