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Of an accounting firm's clients,40 percent own a family business and 60 percent are at least 35 years old.
The percent of the accounting firm's clients who own a family business and are less than 35 years old
16%
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当前版本由 去没人的岛 更新于2024-04-07 15:29:43 感谢由 去没人的岛 对此题目的解答所做出的贡献。
假设own a family business是A集合，less than 35 years old是B集合，已知A=40%,B=1-60%=40%，那么A∩B的最小值可以是0，就是没有交集，最大值是40%，也就是A=B，所以A∩B和16%是无法比较的。
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