Solving a percent mixture problem using a syitem of Inear equations A chemical company makes two brands of antifreeze. The first brand is \( 55 \% \) pure antifreeze, and the second brand is \( 85 \% \) pure antifreeze. In order to obtain Espafiol 120 gallons of a mixture that contains \( 80 \% \) pure antifreeze, how many gallons of each brand of antifreeze must be used? First brand: \( \square \) gallons Second brand: \( \square \) gallons
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Let x be the number of gallons of the first brand (55% pure antifreeze) and y be the number of gallons of the second brand (85% pure antifreeze). Show more…
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