AMC 8 1991 Problem 18

AMC8 1991 年第 18 题

统计与数据图表★★★☆☆

Problem The vertical axis indicates the number of employees, but the scale was accidentally omitted from this graph. What percent of the employees at the Gauss company have worked there for 5 years or more?

纵轴表示员工数量，但此图意外遗漏了刻度。Gauss 公司员工中工作 5 年或以上的占百分之多少？

A.9%
B. $\displaystyle 23\frac{1}{3}\%$
C.30%
D. $\displaystyle 42\frac{6}{7}\%$
E.50%

正确答案 · Correct Answer

C

解析 · Solution

解析整理中

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