Question

the ratio of boys and girl in a class is 4:5. 1. what fraction of the class are boys? 2. what fraction of the class are girls?

Answer 1

Boys: 4 / (4+5) = 4/9

Girls: 5 / (4+5) = 5/9 or 1 - 4/9 = 5/9

Explanation:

Boys: 4 / (4+5) = 4/9

Girls: 5 / (4+5) = 5/9 or 1 - 4/9 = 5/9