Mathematics, 17.11.2020 03:30, sbednarek

A chemical company makes two brands of antifreeze. The first brand 60% is pure antifreeze, and the second brand is 85% pure antifreeze. In order to obtain gallons of a mixture that contains 130 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 60% is pure antifreeze, and the s...