Answer:
12.5 ounces of sugar for $3.50
Explanation:
1. Find the price per ounce for each scenario.
3.50/12.5=0.28
1.20/3=0.4
2. Compare the prices and see what is lower
0.28 is less than 0.4
3. Get answer: 12.5 ounces of sugar for $3.50 is cheaper per ounce