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每日一练
Amy's grade was the 90th percentile of the 80 grades for her class. Of the 100 grades from another class, 19 were higher than Amy's, and the rest were lower. If no other grade was the same as Amy's grade, then Amy's grade was what percentile of the grades of the two classes combined?
正确答案
85%
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2015年最新GRE数学每日一练(11月20日) http://gre.zhan.com/tifen/38018.html
2015年最新GRE数学每日一练(11月19日) http://gre.zhan.com/tifen/37936.html
