Unit price 2
Cookie dough can be purchased in tubs or rolls. A 32-ounce tub cost $4.56 and a 16.5-ounce roll costs $2.50. Which is the better buy per ounce? Write the answer as an A or B option.
Correct answer:

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You need to know the following knowledge to solve this word math problem:
arithmeticUnits of physical quantitiesGrade of the word problem
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