2007 AMC8 真题 答案 详解
| 序号 | 文件 | 说明 | ||
|---|---|---|---|---|
| 1 | 2007-amc8-paper-eng-zh.pdf | 12 页 | 472.27KB | 真题-中英双语 |
| 2 | 2007-amc8-paper-eng.pdf | 5 页 | 186.79KB | 真题-英文 |
| 3 | 2007-amc8-key.pdf | 1 页 | 56.25KB | 真题-答案 |
| 4 | 2007-amc8-solution-eng.pdf | 26 页 | 585.46KB | 真题-文字详解-英文 |
| 5 | 2007-amc8-solution-video-zh.mp4 | 15.7 分钟 | 40.75MB | 真题-视频详解-普通话 |
2007 AMC8
Problem 1
Theresa's parents have agreed to buy her tickets to see her favorite band if she spends an average of hours per week helping around the house for weeks. For the first weeks, she helps around the house for , , , and hours. How many hours must she work during the final week to earn the tickets?
如果特蕾莎平均每周花 10 个小时在家里帮忙，一共帮忙 6 周，那么她的父母就同意给她买票 去看她最喜欢的乐队。在最初的 5 周里，她在家里帮忙了 ， ， ， 8 11 7 12 和 10 个小时。最后一 周她必须工作多少小时才能挣到票？
(A) 9 (B) 10 (C) 11 (D) 12 (E) 13
Problem 2
Six-hundred fifty students were surveyed about their pasta preferences. The choices were lasagna, manicotti, ravioli and spaghetti. The results of the survey are displayed in the bar graph. What is the ratio of the number of students who preferred spaghetti to the number of students who preferred manicotti?
调查了 650 个学生对意大利面的偏好。可供选择的食物有烤宽而条、意大利通心面、水饺和意 大利细面条。调查结果显示在下面条形图中。喜欢意大利细面条的学生人数与喜欢意大利通心 面的学生人数的比值是多少？
