50 students
1515 girls
total number of students are 25 so givin boys number is 12 that way ratio of girls 13/25
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12
If the ratio of girls to boys is 5:4, then out of the total of 108 students, 5/9 are girls and 4/9 are boys. Therefore, the number of girls is 108 x (5/9) = 60.
18 boys and 12 girls
9 boys
If the total number of people is T, then there are 19*T/20 students.
It is 8 : 26.
1 to 2 = 5 to 10 so 15 students in all.
If the ratio of boys to girls is 12 to 3, then the total ratio is 12 + 3 = 15. To find how many girls are in the class, we divide the number of girls by the total ratio, 24 / 15 = 1.6. This means there are approximately 1.6 girls in the class. However, since we can't have a fraction of a girl, we can conclude that there are 2 girls in the class.
45