Mathematics, 29.11.2020 22:40 pollo44
A chemical company makes two brands of antifreeze. The first brand is 70% pure antifreeze, and the second brand is 80% pure antifreeze. In order to obtain 120 gallons of a mixture that contains 80% 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 70% pure antifreeze, and the s...
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