Question

The ratio of boys to girls in a class is 4: 5
a) What fraction of the class are boys?
b) What fraction of the claşs are girls?

Answer 1

Answer:

The fraction of a boy is 4/9

The fraction of a girl is 5/9

Hope this helps!!!!!

Answer 2

Adding number of boys(4 boys) and girls(5 girls) together will give the total number of pupils IN ALL therefore : 4+5=9
There are 9 pupils in all

So: Fraction of BOYS=
Num of BOYS/Total Num of pupils=
4/9. —— is the answer to (a)

AND

Fraction of GIRLS=
Num of GIRLS/Total Num of pupils=
5/9 ——is the answer to (b)

Hope it’s helpful :)) !