2009 AMC8 真题 答案 详解
| 序号 | 文件 | 说明 | ||
|---|---|---|---|---|
| 1 | 2009-amc8-paper-eng-zh.pdf | 12 页 | 435.53KB | 真题-中英双语 |
| 2 | 2009-amc8-paper-eng.pdf | 5 页 | 156.05KB | 真题-英文 |
| 3 | 2009-amc8-key.pdf | 1 页 | 56.39KB | 真题-答案 |
| 4 | 2009-amc8-solution-eng.pdf | 27 页 | 549.22KB | 真题-文字详解-英文 |
| 5 | 2009-amc8-solution-video-zh.mp4 | 19.74 分钟 | 51.73MB | 真题-视频详解-普通话 |
2009 AMC8
Problem 1
Bridget bought a bag of apples at the grocery store. She gave half of the apples to Ann. Then she gave Cassie 3 apples, keeping 4 apples for herself. How many apples did Bridget buy?
Bridget 在水果店买了一包苹果。她把一半苹果给了 Ann ，然后她把 3 个苹果了 Cassie ，自己留 了 4 个。那么 Bridget 总共买了多少个苹果？
(A) 3 (B) 4 (C) 7 (D) 11 (E) 14
Problem 2
On average, for every 4 sports cars sold at the local dealership, 7 sedans are sold. The dealership predicts that it will sell 28 sports cars next month. How many sedans does it expect to sell?
平均下来，当地经销商每售出 4 辆跑车，就售出 7 辆轿车。该经销商预计下个月将销售 28 辆 跑车，那么预计销售多少辆轿车？
(A) 7 (B) 32 (C) 35 (D) 49 (E) 112
Problem 3
The graph shows the constant rate at which Suzanna rides her bike. If she rides a total of a half an hour at the same speed, how many miles would she have ridden?
下图显示了 Suzanna 以恒定的速度骑自行车。如果她以同样的速度骑了半个小时，她将骑多少 英里？
