An amusement park has a collection of scale models, with a ratio of 1:201 : 20, 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 replica to the nearest whole number?
A. 14
B. 15
C. 16
D. 18
E. 19

Fraction and percentage word problems中文
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Worked solution

1. 2018 AMC 8 官方解析

Use the ratio 120=x289\frac{1}{20} = \frac{x}{289} to get 20x=28920x = 289. Solve for x:x=14.45x : x = 14.45. The nearest whole number is therefore 14.

Answer

A. 14

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