Question

if there are 1050 students in a school and the ratio of boys to girls is 9:5 what is the number if boys in the school?​

Answer 1

675

Explanation:

Let the ratio be 'R'

Total number of students = 1050

Then,

9R + 5R = 1050

R = 1050

=> R = 75

Hence, the number of boys = 9R = 9 x 75 = 675