请大哥哥大姐姐们体谅应为你们也知道暑假些功课的苦~（我当然也不会亏待你们这些好心人的~

题目

请大哥哥大姐姐们体谅应为你们也知道暑假些功课的苦~（我当然也不会亏待你们这些好心人的~
1.40% of the students in a school are boy s.If there are 240 boys,howmany students are there in the the school?
2.A boy has finished reading 160pages of a story book and he finds that there is 20% of the book left .How many pages are there inthe book?
3.Among the 800people,70%like swimming.How many people like swimming?

答案

1.学校40%是男生,如果有240位男生的话,学校总共就有600位学生
2.看了160页的书,还剩20%没有看话,那么这本书共有200页
3.800人中有70%喜欢游泳,那么就有560人喜欢游泳