Mrs. Glenn has a coupon for 60 cents off any size Mathbits cereal. The 12 oz. box costs $1.99, and the 18 oz. box costs $2.75. After applying the cents-off coupon, which size is the better buy?

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Answer 1 · 2017-12-07T13:31:09

12 oz. box (more economic)

The prices of these after coupon:

12 oz #=1.99-0.60 = 1.39#

18 oz. #=2.75-0.60 = 2.15#

Per oz. price:

for 12 oz. #=1.39/12 = 0.115#

for 18 oz. #=2.15/18 = 0.119#

It is better to buy 12 oz. box to be more economic.