Answer:
3 : 2
Explanation:
Number of students in the class = 15
Number of boys in class = 9
To describe ratio;
We know that the number girls in the class will be
15 - 9 = 6 students.
Simply in this class, the ratio of boys to girls:
9 : 6 = 3 : 2
In the class, we have 3 boys to 2 girls.