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?

admin2022-11-09 55

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/vjtO777K

GMAT QUANTITATIVE

相关试题推荐

随机试题

最新回复(0)