题目内容双击单词支持查询和收藏哦～
收藏
纠错
题目材料：
In the 2001 workforce, the average (arithmetic mean) salary of the employees hired prior to 1999 was $39,900, and the average salary of the employees hired in 1999 and 2000 was $30,100. Which of the following is closest to the average salary of all employees in the 2001 workforce?
-
A.$30,500
-
B.$32,500
-
C.$35,000
-
D.$37,500
-
E.$39,000
D显示答案
