题目

英语数学应用题（用中文解答）
1．40% of the students in a school are boys.If there are 240 boys,how many students are there in the school?
2.a boy has finished reading 160 pages of a story book and he finds that there is 20% of the book left .How many pages are there in the book?
3.Among the 800 people,70% like swimming.How many people like swimming?

提问时间：2021-03-30

答案

1)240/40%=600人
2)160/(1-20%)=200页
3)800*70%=560人