Mathematics, 20.09.2019 03:10 rachaelpovosky8

Achemical company makes two brands of antifreeze. the first brand is 45% pure antifreeze and the second brand is 70% pure antifreeze. in order to obtain 150 gallons of a mixture that contains 55% pure antifreeze, how many gallons of each brand of antifreeze must be used?

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Achemical company makes two brands of antifreeze. the first brand is 45% pure antifreeze and the sec...