macy makes a fruit punch by mixing green apple juice and carrot juice. for every 2 cupsof carrot juice, she uses 4 cups of green apple juice.
To make the fruit punch, Macy would need to use twice as much green apple juice as carrot juice. This means that for every 2 cups of carrot juice, she would need 4 cups of green apple juice.
For example, if Macy wanted to make 4 cups of fruit punch, she would use 2 cups of carrot juice and 4 cups of green apple juice. If she wanted to make 8 cups of fruit punch, she would use 4 cups of carrot juice and 8 cups of green apple juice.
In general, Macy would use a ratio of 1 part carrot juice to 2 parts green apple juice to make her fruit punch.