A chemical company makes two brands of antifreeze. The first brand is pure antifreeze, and the second brand is pure antifreeze. In order to obtain gallons of a mixture that contains pure antifreeze, how many gallons of each brand of antifreeze must be used?

Answer rating: 100% (QA)

Let x be the number of gallons of the 40 pure antifreeze first brand to be used Let y be the number ... View the full answer