The ratio of boys to girls is 3:2. The number of boys is a fraction of the number of girls, and the number of girls is a fraction of the number of boys When building a road, the ratio of the completed length to the total length of the road is 5:11, the ratio of the completed length to the unfinished length is (): (), the length of the road to be built is a fraction of the unfinished length, and the unfinished length accounts for a fraction of the total length of the road

Boys are 3 / 2 (3 divided by 2) of girls, girls are 2 / 3 (2 divided by 3) of boys, the ratio of completed and not completed is 5:6, the completed is 5 / 6 of not completed, and the not completed is 5 / 11 of the total length. I'm sure I've done these things

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1. The number of girls in the school chorus is 1.5 times that of boys. What is the proportion of boys to girls? What is the proportion of girls in the total number of chorus?
2. There are 24 male students and 54 female students in the chorus group. What is the percentage of male students? What is the percentage of male students?
3. There are 24 girls in the school chorus, 25% less than boys. How many boys are there in this chorus
4. The students are going to have a picnic. There are 38 boys and 32 girls. What's the percentage of girls in boys? What's the percentage of boys in the total fast
5. In the two groups of data, the score above 130 is excellent. How many boys and girls are excellent, and how many students are excellent? The results of one minute rope skipping competition of 10 boys and 10 girls in class 1 of five years are as follows Boys: 142, 128, 138, 129, 140, 142, 137, 96, 98, 142 Female students: 128, 143, 151, 148, 146, 150, 147, 128, 128, 140
6. There are a number of boys and 4 / 5 of girls in the school. How many students are there in the school
7. There are 1260 students in the primary school. The number of boys is four fifths of the number of girls. How many boys are there in the school
8. Dongfeng primary school has 450 students. The ratio of girls to boys is 4:5. How many boys and girls are there in this school?
9. Boys account for 4 / 7 of the students in a school, and girls are 50 less than 7 / 8 of boys. How many students are there in this school?
10. There are 28 boys and 26 girls in class 51. How many times is the number of boys? How many times is the number of boys
11. There are 40 students in the five-year class, including 22 boys, and girls account for the majority of the class______ %．
12. There are 22 male students and 24 female students in Grade 6 (1), so male students account for the majority of the class______ (expressed in the simplest fraction)
13. There are 24 boys in the second class of five years, 2 more than girls. What's the percentage of girls in the class?
14. There are 28 boys and 24 girls in class 6 (1) of Wuhan road primary school
15. There are 24 girls and 28 boys in class 1 of grade 5. What's the percentage of girls? How many times do boys know girls? What percentage of the class are boys?
16. Grade 5 math problem: there are 28 boys in class 5 (2), 4 more than girls. How many of the boys are in the class?
17. The number of male students in class 61 is five fourths of that of female students. The number of female students is a fraction of that of male students. The number of male students is a fraction of that of the whole class. The number of female students is a fraction of that of the whole class How many parts
18. The number of boys in class 61 is 25% more than that of girls. What's the percentage of girls in the class?
19. The number of male students in class 61 is one fourth more than that of female students. What is the ratio of male students to female students? What is the percentage of female students in the total number
20. Boys in class 61 account for 3 / 5 of the class, and girls account for a few of the boys