Question

The number of boys and girls in 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

Answer 1

Answer:

Answer: no of boys=45.

The answer is attached as image

Answer 2

Step-by-step explanation:

let the no.of girls in class be 'x'

$\frac{x + 9}{x} = \frac{5}{4}$

4(x + 9) = 5x

4x + 36 = 5x

36 = 5x - 4x

36 = x

boys = x + 9

= 36 + 9

= 45

girls = x

= 36