作者qqopqqop (p )
看板GMAT
标题[计量] 问题 数学狒狒1
时间Mon Aug 11 10:39:57 2008
In a corporation, 50 percent of the male employees and 40 percent
of employees are at least 35 years old. If 42 percent of all the employees
are at least 35 years old, what fraction of the employees in the corporation
are female?
这题我想了好久可是还是没算出来><
有人下可以帮我ㄧ下吗
感激
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1F：推 phoenician:80% ? 08/11 11:27
2F：→ phoenician:4/5 ? 08/11 11:27
3F：→ image:40 percent of employees-->这中间要加个female吗? 08/11 12:12