SOLUTION: A 20-quart truck radiator is full of a solution that is 15% antifreeze and 85% water. The truck's owner wants to increase the percentage of antifreeze in the radiator to 40% by dra
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Question 855689: A 20-quart truck radiator is full of a solution that is 15% antifreeze and 85% water. The truck's owner wants to increase the percentage of antifreeze in the radiator to 40% by draining some (but not all) of the original solution from the radiator, and replacing it with pure antifreeze. How much original solution should be drained out and replaced with pure antifreeze to accomplish his goal?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
This very common radiator drain&replace problem is thoroughly discussed and solved in a lesson here:
The very common radiator antifreeze drain-and-replace question
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