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Solve the Problem. -It Is Necessary to Have a 40% Antifreeze Solution in 40

Question 3

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) 12 L
B) 7.5 L
C) 10.0 LD) 15 L

Correct Answer:

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