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at a certain university, if 50 percent of th people wo inquire about admission policies actually submit applications for admissoin,what percent of those who submit applications for admission enroll in classes at the university?
1.fifteen percent of those who submit applications for admission are accepted at the university.
2.eighty percent of those who are accepted send a deposit to the university.
对于这种比例题总是很混乱，再PS里遇到也是，跪求详细解题步骤。 |
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发表于 2010-2-21 15:25:45
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