Answer:
See below
Step-by-step explanation:

Hence, both ratios are equal to each other
It is called the slope of the line
12 oz = 1.15
24 oz = 2.79
Let's see if 2x12oz is equal, less, or more than the 24oz.
1.15 x 2 = 2.30
2.30<2.79
The 12 oz is a better buy.