SOLUTION: How many gallons of 80% antifreeze solution must be mixed with 90 gallons of 25% antifreeze to get a mixture that is 70% antifreeze?

SOLUTION: How many gallons of 80% antifreeze solution must be mixed with 90 gallons of 25% antifreeze to get a mixture that is 70% antifreeze?

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Question 340234: How many gallons of 80% antifreeze solution must be mixed with 90 gallons of 25% antifreeze to get a mixture that is 70% antifreeze?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let be the amount of 80% solution.

gallons
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