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 l

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/01 01:04:57

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 l
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?

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

1,240/40%
2,160/(1-20%)
3,800*70%

1. 600
2. 800
3. 560

1。 一所学校的百分之四十的学生是男生,如果有240个男生,那么这个学校里有多少个学生?
解 240除以40%=600人,共有600个学生。
2。 一个男孩读完了一本故事书的160页,还剩下整本书的20%,这本书有多少页?
解 160除以(1-20%)=200页,共有200页。
3。 在八百个人中,70%喜欢游泳,多...

全部展开

1。 一所学校的百分之四十的学生是男生,如果有240个男生,那么这个学校里有多少个学生?
解 240除以40%=600人,共有600个学生。
2。 一个男孩读完了一本故事书的160页,还剩下整本书的20%,这本书有多少页?
解 160除以(1-20%)=200页,共有200页。
3。 在八百个人中,70%喜欢游泳,多少人喜欢游泳?
解 800乘以70%=560人,共有560人喜欢游泳

收起

(1)240/0.4=600
(2)160/0.8=200
(3)800*0.7=560