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来源:百度文库 编辑:高校问答 时间:2024/07/06 12:54:49
The enrollment in a university is now 52,500, an increase of 5% over the enrollment last year. By how many students did the enrollment increase this years?

52500*(5%/(1+5%))=52500*1/21=2500

52500*(1+5%)=55125

52500*(1+5%)=55125