AMC 8 2018 Problem 1
AMC8 2018 年第 1 题
比与比例★☆☆☆☆
An amusement park has a collection of scale models, with a ratio of , of buildings and other sights from around the country. The height of the United States Capitol is 289 feet. What is the height in feet of its duplicate to the nearest whole number?
一个游乐公园有一系列美国国内建筑和其他景观的模型,与实际建筑的比例为 1:20.美国国会大厦的实际高为 289 英尺,那么它的模型复制品的高度是多少英尺?结果四舍五入到整数。
- A.14
- B.15
- C.16
- D.18
- E.20
正确答案 · Correct Answer
A
解析 · Solution
Solution 1
We can compute and round our answer to get 14. It is basically without the ratio calculation. However, is referring further to the problem.
We know that and that These are the multiples of 20 around 289, and the closest one of those is 280. Therefore, the answer is
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