G的数学题,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

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G的数学题,Amy''sgradewasthe90thpercentileofthe80gradesforherclass,ofthe100gradesfromanotherclass,19werehi

G的数学题,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
G的数学题,
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 two classes combined?
题意不懂,
那这个题目是讲什么啊？
不是求的百分数啊，答案是85th

G的数学题,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
答案是不是
(80*0.1+19)/(100+80)=0.15
即15%?
噢算反了
这是在Amy前面的人占15%
剩下的占85%
答案是85th percentile of all

全是逗号？断句都成问题。是不是应该这样：
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...

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全是逗号？断句都成问题。是不是应该这样：
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 two classes combined?

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..........kan bu dong

15%

G的数学题,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 一道GMAT数学题~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 perc How old is Amy?的同义句（ ）Amy's( Sandy and Amy are in Grade one(划线部分提问)one 是划线的 I am (w 开头的单词)to recommend Amy for the Grade 7 Best Dancer Award. s'amy 依照你的翻译,艾米说 Mary's and Amy's houses与Mary and Amy's house的区别 翻译：Amy的大衣颜色与Sandy的一样 Amy’s coat Sandy’s. 把下面的句子改成一般疑问句.1.It is a book._________ ___________a book?2.Iam 11 years old._________ ___________11 years old?3.They are in Class One,Grade Five.__________ __________in Class One,Grade Five?4.Amy's birthday is in August.____ Is Jane Amy's sister?Who is Amy's brother?的意思,怎么回答?快点,急求啊! w开头的介词I am w------ to recommend Amy for the Grade 7 Best Dancer Award填什么 manufacturer's grade 有一首英文歌 ,开头大概是这个it's wa wa Wei 用拼音拼的男生唱的 我听过有一首歌 里面有 it's wa wa way 但是我找不到 里面大部分都是这样的 wa饭的wa怎么写 老外怎么说,你是大几的?是what's your grade? grade 作为”成绩”的意思时可不可数?比方说 My Chinese's and English's grade(可不可数 ) how it's making 是Amy diamond 唱的heartbeats