最新提问
我的动态
登录后查看动态
题目内容
An organization offers only three types of annual memberships. Basic memberships cost $50 each, standard memberships cost $70 each, and premium memberships cost $100 each. Last year, a total of 200 memberships were purchased at an average arithmetic mean) cost
of $80 per membership.
Which of the following statements individually provide(s) sufficient additional information to determine the number of premium memberships purchased last year?
Indicate all such statements
Which of the following statements individually provide(s) sufficient additional information to determine the number of premium memberships purchased last year?
Indicate all such statements
A,B显示答案
· 相关考点
3.3.3 解多元一次方程组与相关应用题
3.3.3 解多元一次方程组与相关应用题
以上解析由 考满分老师提供。
