SOLUTION: How many gallons of a 80​% antifreeze solution must be mixed with 80 gallons of 20​% antifreeze to get a mixture that is 70​% ​antifreeze? Use the​ si

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Question 1107798: How many gallons of a 80​% antifreeze solution must be mixed with 80 gallons of 20​% antifreeze to get a mixture that is 70​% ​antifreeze? Use the​ six-step method.
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
What six steps?

x, how many gallons of 80% antifreez
PRESENT: 80 gallons of 20% antifreeze
WANT: 70% antifreeze


, Basic Equation

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Four Hundred Gallons of 80% material be added.

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