Multiple Choice
Solve the problem.
-It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 30 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength?
A) 15 L
B) 12 L
C) 10.0 L
D) 7.5 L
Correct Answer:

Verified
Correct Answer:
Verified
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