Question

7. The ratio of the number of boys and girls in a class is 5 : 9. Find the number of girls if the total number of students in the class is 56.​

Answer 1

Explanation:

let the boys be 5x

then let the girls be 9x

according to the question we get,

5x+9x=56

14x=56

x=56/14

x=4

girls=9x

9×4=36.