AMC 8 2002 Problem 9
AMC8 2002 年第 9 题
统计与数据图表★★☆☆☆
Juan organizes the stamps in his collection by country and by the decade in which they were issued. The prices he paid for them at a stamp shop were: Brazil and France, 6 cents each, Peru 4 cents each, and Spain 5 cents each. (Brazil and Peru are South American countries and France and Spain are in Europe.)
In dollars and cents, how much did his South American stamps issued before the ’70s cost him?
Juan 把他收藏的邮票按国家和发行年代整理，如下表所示。他在邮票店买这些邮票的价格是：巴西和法国每张 6 美分，秘鲁每张 4 美分，西班牙每张 5 美分。（巴西和秘鲁是南美洲国家，法国和西班牙在欧洲。） 他的 70 年代之前发行的南美邮票花了他多少钱?
| 国家 | 50 年代 | 60 年代 | 70 年代 | 80 年代 |
|---|---|---|---|---|
| 巴西 | 4 | 7 | 12 | 8 |
| 法国 | 8 | 4 | 12 | 15 |
| 秘鲁 | 6 | 4 | 6 | 10 |
| 西班牙 | 3 | 9 | 13 | 9 |
Juan 的邮票收藏
- A.$0.40
- B.$1.06
- C.$1.80
- D.$2.38
- E.$2.64
正确答案 · Correct Answer
B
解析 · Solution
Solution 1
Brazil 50s and 60s total 11 stamps with each 6 cents, Peru 50s and 60s total 10 stamps with each 4 cents. So total
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