Question

An 8-ounce can of tomatoes cost $1.14. A 12-ounce can costs $1.75. Which can of tomatoes costs the least per ounce?

Answer 1

1 pound = 16 oz.
8*16 = 128 oz.
128 / 1.14 =  $112.28

12*18 = 192oz. 
192 / 1.75 = $109.71

The 12 oz can is less per oz.