Question

The ratio of boys to girls in a class is 4 : 5

a) what is the fraction of boys in the class

b) what is the fraction of girls in the class

Answer 1

Answer: 4/9 of the class are boys and 5/9 of the class are girls.

Explanation:

1. There are 9 nine students in total in the class since 4 + 5 = 9.
2. Input the amount of boys and girls there are in the class in the numerator and have 9 as the denominator. 4/9 of the class are boys and 5/9 of the class are girls.