Multiple Choice
Solve the problem.
-A 200 gal tank is half full of distilled water. At time = 0, a solution containing 1 lb/gal of concentrate enters the tank at the rate of 4 gal/min, and the well-stirred mixture is withdrawn at the rate of 2 gal/min. When the tank
Is full, how many pounds of concentrate will it contain?
A) 100 pounds
B) 200 pounds
C) 120 pounds
D) 150 pounds
Correct Answer:

Verified
Correct Answer:
Verified
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