最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦～
In a certain club, the average (arithmetic mean) age ofthe 35 males is 24.2 years and the average age of the 25 females is 27.6 years.
Quantity A
The average age of all of the people in the club
Quantity B
25.9
B显示答案
以上解析由 考满分老师提供。
