AMC 8 1985 Problem 16
AMC8 1985 年第 16 题
比与比例★★★☆☆
The ratio of boys to girls in Mr. Brown's math class is . If there are 30 students in the class, how many more girls than boys are in the class?
的数学班上男生与女生的比例是 。如果班上有 30 名学生，女生比男生多多少人？
- A.1
- B.3
- C.5
- D.6
- E.10
正确答案 · Correct Answer
D
解析 · Solution
解析整理中
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