$\frac{8\text{dollars}}{15\text{ounces}}$  $\frac{12\text{dollars}}{20\text{ounces}}$ 
Chloe is buying candies at a grocery store. She can either spend $8$ dollars on a $15\text{-ounce}$ bag or $12$ dollars on a $20\text{-ounce}$ bag. Which is a better buy? 
Options:
A. The $15\text{-ounce}$ bag 
B. The $20\text{-ounce}$ bag 