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ZX-F4FB08FC962024年8月A卷 · 第 20 题
2024年8月A卷 · 原库模块 1 · Q20 原库参考解析
A real estate company offers a series of three webinars. 4,000 people attended the first webinar. 65% of the people who attended the first webinar attended the second webinar, and 39% of the people who attended both the first and second webinar attended the third webinar. Of those who attended the first but did not attend the second webinar, 22% attended the third webinar. How many people attended both the first and third webinars but did not attend the second webinar?
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