Mathematics, 15.06.2020 20:57, clara384

A chemical company makes two brands of antifreeze. The first brand is 85% pure antifreeze, and the second brand is 90% pure antifreeze. In order to obtain 50 gallons of a mixture that contains 50% pure antifreeze, how many gallons of EACH brand of antifreeze must be used?

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A chemical company makes two brands of antifreeze. The first brand is 85% pure antifreeze, and the s...