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

question 470

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 50 liters of 20% solution. How many liters of this should be drained and replaced with 100%
Antifreeze to get the desired strength?

• A) 12.5 L
• B) 25 L
• C) 16.7 L
• D) 20 L

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