Question

Montel Edwards bought a 20-oz package of ham for $8.75. He can buy a 3-lb package of ham for $15.60. How much will he save per ounce by buying the 3-Ib. package ofham instead of the 20-oz. package (Note: 1 lb. = 16 ounces)?9.6 cents per ounce10.5 cents per ounce11.3 cents per ounce12.8 cents per ounceNone of these choices are correct.

Answer 1

20 oz package of harm cost $8.75

3lb package of harm cost $15.60

`\begin{gathered} \text{ The cost per ounce of the 20 0z package }=(8.75)/(20)\text{ dollars per ounce} \\ =43.75\text{ cents per ounc}e \end{gathered}`

And

`\begin{gathered} \text{ The cost per ounce of the 3lb package }=(15.60)/(3*16)\text{ dollars per ounce} \\ =32.50\text{ cents per ounce} \end{gathered}`

The difference in the cost is

`43.75-32.50=11.25`

Hence he will save 11.3 cents per ounce in buying 3-lb package

The third option is correct