50 percent of the students are in the classroom.提问50,how much还是how many?将students改为milk呢

百分之50是fifty percent还是fifty of percent 英语翻译后面是：by way of liquidated damage for delay 5 percent of the price for every 3 days delay,up to a maximum of 50 percent The joint probability of events A and B is 32 percent with the probability of event A being 60 perceThe joint probability of events A and B is 32 percent with the probability of event A being 60 percent and the probability of event B being 50 percent 英语单词Percent用法Twenty percent of the students exercise for 4-6 times a week 中的percent为什么是单数. about 80 percent of the people live in the ___ and put about 85 percent of the waste into the 英语翻译40% of the students40% of students40% studentsforty percent of the studentsforty percent of studentsforty percent students究竟哪个正确呢?搞不清楚啊 the 31st of October是什么节日 THE CONFESSIONS OF ST AUGUSTINE怎么样 英语翻译it averages 23percent for urban youth between the ages of 18-25 and soars to 50 percent in poor suburbs. more than 70[ percents] of the students [percent]为什么加S percent可数吗 This is ten percent luck,　　Twenty percent skill 　　Fifteen percent concentrated power of will 　　Five percent pleasure,　　Fifty percent pain 　　And a hundred percent reason to remember the name! This is ten percent luck,Twenty percent skill,Fifteen percent concentrated power of will,Five percent pleasure,Fifty percent pain,And a hundred percent reason to remember the name什么意思? 请求翻译一下这段话It's just ten percent luckTwenty percent skillFifteen percent concentrated power of willFive percent pleasureFifty percent painAnd a hundred percent reason to remember the name the other twenty percent of the students和another twenty percent of the students有区别吗 Fifty percent of the students 的同义句是? 25 percent of the people 为什么家加he 70 percent of the earth谓语用单数还是复数