Question

The number of boys and girls in a class are in the ratio 5:4. If the

number of boys is 9 more than the number of girls, then number of
boys is 9

Answer 1

no.of boys is 45

Explanation:

here, let the number of boys and girls be 5x and4x

ATQ,

5x=4x+9

or,5x-4x=9

or,x=9

then, the number of boys is 9×5=45

and the number of girls is 9×4=36..