if there are 27 kids in a class and for every 5 girls there are4 boys how many girls are in the class

Question

The ratio of girls to boys in Liza’s classroom is 55 to 44. How many girls are in her classroom if there is a total of 27

students?

Answer 1

The ratio 5 girls:4 boys is applicable to every group of nine (5+4) kids.

Since 27 is three nines, that means that there are 15 girls & 12 boys in the class.