Wanda's Wonder Cleaner sells for $2.89 for a 14-ounce bottle. Suzy's Super Cleaner is $3.19 for 16-ounces. Which is the better buy?
The 16 ounce bottle, because it is 19.9 cents for each ounce in the super-cleaner, but it is 20.6 cents for the wonder cleaner.