1999 AMC 8 Problems/Problem 17
Contents
[hide]Problem
At Central Middle School the 108 students who take the AMC 8 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 15 cookies, lists this items: cups of flour, eggs, tablespoons butter, cups sugar, and package of chocolate drops. They will make only full recipes, not partial recipes.
Walter can buy eggs by the half-dozen. How many half-dozens should he buy to make enough cookies? (Some eggs and some cookies may be left over.)
Solution
If students eat cookies on average, there will need to be cookies. There are cookies per pan, meaning there needs to be pans. However, since half-recipes are forbidden, we need to round up and make pans.
pan requires eggs, so pans require eggs. Since there are eggs in a half dozen, we need half-dozens of eggs, and the answer is
Video Solution
https://youtu.be/NraP1LG6zoU Soo, DRMS, NM
See Also
1999 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 16 |
Followed by Problem 18 | |
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All AJHSME/AMC 8 Problems and Solutions |
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