SOLUTION: How many gallons of a 90% antifreeze solution must be mixed with 60 gallons of 25% antifreeze to get a mixture that is 80% antifreeze?

SOLUTION: How many gallons of a 90% antifreeze solution must be mixed with 60 gallons of 25% antifreeze to get a mixture that is 80% antifreeze?

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Question 896940: How many gallons of a 90% antifreeze solution must be mixed with 60 gallons of 25% antifreeze to get a mixture that is 80% antifreeze?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Mixture: one material quantity unknown - http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev
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