Answer:
12 cups of pineapple juice for 16 cups of ginger ale.
Step-by-step explanation:
4+4+4+4= 16
3+3+3+3= 12
slope = 1
I think the answer you are looking for is 1
<u><em>NOT AT ALL 100% SURE :(</em></u>
60-15/9
Subtract (-) 15 from 60: 60-15
Divide (/) by 9: 60-15/9