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题目内容
Of the 45 candidates for a certain job, 20 are married. Of the candidates who are married, 8 do not have a PhD. Of the candidates who are not married, 15 have a PhD.
Quantity A
The number of candidates who do not have a PhD
Quantity B
18
C显示答案
· 相关考点
6.1.3 双重叠应用题
6.1.3 双重叠应用题
以上解析由 考满分老师提供。