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Answer:
- 8-ounce jar is a better buy
- $0.08
Explanation:
The price per ounce for the 8-ounce jar is ...
price/ounces = $8.95/8 = $1.11875 ≈ $1.12 . . . per ounce
The price per ounce for the 10-ounce jar is ...
$12.00/10 = $1.20 . . . per ounce
The 8-ounce jar has a lower unit price, so may be better to buy.*
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The difference in unit prices is ...
$1.20 -1.12 = $0.08
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* If you need at most 10 ounces, but more than 8, the 10-ounce jar will have a lower total cost for the amount needed. The "better buy" depends on the context.