2. 外语
  3. The ratio of girls to boys in a class is 3 to 4. If there are a total of 28 students in the class, how many girls are there?

The ratio of girls to boys in a class is 3 to 4. If there are a total of 28 students in the class, how many girls are there?

admin2021-05-18  32
问题 The ratio of girls to boys in a class is 3 to 4. If there are a total of 28 students in the class, how many girls are there?
选项 A、12
B、16
C、6
D、24
E、21
答案A
解析 班级里女生对男生的比例是3：4，那么女生在班级里所占的比例是3/7，3/7×28=12，所以选择A。
转载请注明原文地址:https://kaotiyun.com/show/klkO777K
本试题收录于： GRE QUANTITATIVE题库GRE分类
0

GRE QUANTITATIVE

GRE

相关试题推荐
随机试题
最新回复(0)