Question

The ratio of boys to girls in a class is 1:2. If there are 51 students in the class, how many boys are there?

Answer 1

17

Explanation:

The ratio of boys to girls is 1:2

The total ratio of students in the class is 1+2 = 3

Since there are 51 students in the class therefore, the number of boys in the class is 1/3 × 51

= 17