Which size bottle of ketchup is the best deal with the lowest unit price?Prices for Different Sizes of Bottles of KetchupSize BottlePrice10 oz.$2.5014 oz.$2.8016 oz.$4.0018 oz.$5.40

Compare the price per ounce for each bottle: 10 oz. costs $0.25 per ounce, 14 oz. costs $0.20, 16 oz. costs $0.25, and 18 oz. costs $0.30. The 14 oz. bottle has the lowest unit price, so it is the best deal.

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