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