Question

value: 2
______ prices posted on the shelves of many supermarkets can help you find the most economical size to buy.

○ a. unit
○ b. weight
○ c. package
○ d. pound

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Explanation:

To determine the correct answer, we analyze the context: the sentence is about finding the most economical size to buy in supermarkets. "Unit prices" (price per unit of measurement, like per ounce, per pound, etc.) are specifically used to compare the cost - effectiveness of different package sizes.

• Option b, "Weight", is too narrow as unit prices can be based on other measurements too (like volume), not just weight.
• Option c, "Package", doesn't make sense in this context as "package prices" wouldn't help in comparing different sizes.
• Option d, "Pound", is a unit of weight and is too specific; unit prices can be based on other units as well. So "Unit" is the correct term.

Answer:

a. Unit