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Mathematics, 22.06.2019 12:00 izzy123abc

How many gallons of a 70​% antifreeze solution must be mixed with 70 gallons of 20​% antifreeze to get a mixture that is 60​% ​antifreeze?

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How many gallons of a 70​% antifreeze solution must be mixed with 70 gallons of 20​% antifreeze to g...
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