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Mathematics, 22.02.2021 20:30 who0fade

One brand of antifreeze is 65% pure and the other is 90% pure. In order to obtain 130 gallons that contains 70% pure how much of each brand must be used?

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One brand of antifreeze is 65% pure and the other is 90% pure. In order to obtain 130 gallons that c...

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