Problem:
At Central Middle School the students who take the meet in the evening to talk about problems and eat an average of two cookies apiece. Walter and Gretel are baking Bonnie's Best Bar Cookies this year. Their recipe, which makes a pan of cookies, list these items:
cups of flour, eggs, tablespoons butter, cups sugar, and package of chocolate drops. They will make only full recipes, not partial recipe.
Walter can buy eggs by the half-dozen. How many half-dozens should be buy to make enough cookies? (Some eggs and some cookies may be left over.)
Answer Choices:
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B.
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E.
Solution:
One recipe makes cookies, so recipes are needed, but this must be rounded up to recipes to make enough cookies. Each recipe requires eggs. So eggs are needed. This is half-dozens.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions