SOLUTION: A 15-quart car radiator is full of a solution that is 55% antifreeze and 45% water. The owner of the car wants to decrease the percentage of antifreeze in the radiator to 40% by dr

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: A 15-quart car radiator is full of a solution that is 55% antifreeze and 45% water. The owner of the car wants to decrease the percentage of antifreeze in the radiator to 40% by dr      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 855690: A 15-quart car radiator is full of a solution that is 55% antifreeze and 45% water. The owner of the car wants to decrease 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 water. How much original solution should be drained out and replaced with pure water to accomplish his goal?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
You want and should study this lesson, suited to the type of question you ask:
Radiator drain-and-replace problem