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～
Last spring, a gardening store bought 100 trees for $6 each to resell to customers. By the end of the year, 20 of the trees were sold for $30 each, 30 of the trees were sold for $50 each, 40 of the trees were sold for $60 each, and 10 of the trees were damaged and not sold. For the 100 trees, what was the average (arithmetic mean) profit per tree?
$_____
$_____
39 显示答案
· 相关考点
5.2.1 平均值
5.2.1 平均值
以上解析由 考满分老师提供。
