AMC 8 1999 Problem 18
AMC8 1999 年第 18 题
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At Central Middle School the 108 students who take the AMC8 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: $11/2$ cups flour, 2 eggs, 3 tablespoons butter, $3/4$ cups sugar, and 1 package of chocolate drops. They will make only full recipes, not partial recipes. They learn that a big concert is scheduled for the same night and attendance will be down 25%. How many recipes of cookies should they make for their smaller party?
中央中学 108 名参加 AMC8 的学生晚上聚会讨论题目，平均每人吃两块曲奇。Walter 和 Gretel 今年正在烤 Bonnie's Best Bar Cookies。他们的配方可以做一盘 15 块曲奇，配料表如下：$11/2$ 杯面粉、2 个鸡蛋、3 汤匙黄油、$3/4$ 杯糖、1 包巧克力豆。他们只做完整的配方，不做部分配方。 他们得知当晚有一场大型音乐会，参加人数将减少 25%。他们应该为缩小后的聚会做多少份配方？
- A.6
- B.8
- C.9
- D.10
- E.11
正确答案 · Correct Answer
E
解析 · Solution
解析整理中
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