Mathematics, 12.12.2020 15:50, edwrads4044
A chemical company makes two brands of antifreeze. The first brand is 40% pure antifreeze, and the second brand is 90% pure antifreeze. In order to obtain 180 gallons of a mixture that contains 85% pure antifreeze, how many gallons of each brand of antifreeze must be used? please help
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A chemical company makes two brands of antifreeze. The first brand is 40% pure antifreeze, and the s...
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