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​A 200-Gallon Tank Is Full of a Solution Containing 55

Question 13

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​A 200-gallon tank is full of a solution containing 55 pounds of concentrate.Starting at time t=0 ,distilled water is added to the tank at a rate of 20 gallons per minute,and the well-stirred solution is withdrawn at the same rate.Find the amount of concentrate Q in the solution as a function of ​t. ​


A) ​ ​A 200-gallon tank is full of a solution containing 55 pounds of concentrate.Starting at time t=0 ,distilled water is added to the tank at a rate of 20 gallons per minute,and the well-stirred solution is withdrawn at the same rate.Find the amount of concentrate Q in the solution as a function of ​t. ​ A) ​ B) ​ C) ​ D) ​ E) ​
B) ​ ​A 200-gallon tank is full of a solution containing 55 pounds of concentrate.Starting at time t=0 ,distilled water is added to the tank at a rate of 20 gallons per minute,and the well-stirred solution is withdrawn at the same rate.Find the amount of concentrate Q in the solution as a function of ​t. ​ A) ​ B) ​ C) ​ D) ​ E) ​
C) ​ ​A 200-gallon tank is full of a solution containing 55 pounds of concentrate.Starting at time t=0 ,distilled water is added to the tank at a rate of 20 gallons per minute,and the well-stirred solution is withdrawn at the same rate.Find the amount of concentrate Q in the solution as a function of ​t. ​ A) ​ B) ​ C) ​ D) ​ E) ​
D) ​ ​A 200-gallon tank is full of a solution containing 55 pounds of concentrate.Starting at time t=0 ,distilled water is added to the tank at a rate of 20 gallons per minute,and the well-stirred solution is withdrawn at the same rate.Find the amount of concentrate Q in the solution as a function of ​t. ​ A) ​ B) ​ C) ​ D) ​ E) ​
E) ​ ​A 200-gallon tank is full of a solution containing 55 pounds of concentrate.Starting at time t=0 ,distilled water is added to the tank at a rate of 20 gallons per minute,and the well-stirred solution is withdrawn at the same rate.Find the amount of concentrate Q in the solution as a function of ​t. ​ A) ​ B) ​ C) ​ D) ​ E) ​

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