AMC 8 2007 Problem 2

AMC8 2007 年第 2 题

统计与数据图表★☆☆☆☆

650 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？

A. $\displaystyle \frac{2}{5}$
B. $\displaystyle \frac{1}{2}$
C. $\displaystyle \frac{5}{4}$
D. $\displaystyle \frac{5}{3}$
E. $\displaystyle \frac{5}{2}$

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