The ratio of the number of girls and boys in a class is 3:5. If the difference between the number of boys and girls is 12, find the number of girls.
In a class, the number of boys is more than the number of girls by 12%. Find the ratio of number of boys to the number of girls.
If the number of boys and girls in a class are in ratio 7:9 and there are 14 girls more than boys then find the number of girls in the class.