Question

In the class 1 are 10 boys and 8 girls, in the class 2 are 12 boys and 8 girls. In the whole 7th grade are 22 boys and 16 girls. Whats the ratio of boys to girls?

Answer 1

In class one, the ratio is 10:8
in class two, the ratio is 12:8
in the 7th grade, the ratio is 22:16