Math 68:

Your mom loves Chanel 5 perfume.  Your dad wants to get her a bottle for her birthday.  If a 1.5 ounce bottle costs $51 and an 3.4 ounce bottle costs $82, which is the cheaper price per ounce?

Answer

The 3.4 ounce bottle which costs about $24 an ounce, while the 1.5 ounce bottle costs about $34 per ounce.

Daily Dose of Math