Which is the cheapest per ounce: a 2-L bottle (67.6 oz.) of root beer at $1.49, a six-pack of 20-oz. bottles at $2.49, or a twelve-pack of 12-oz. cans at $2.99?
Divide 1.49$ by 67.6oz=.020414201 Divide 2.49$ by 120oz=.02075 Divide 2.99$ by 144oz=.0207638889 So the cheapest per ounce is the 2L bottle of rootbeer
