The ratio of numbers 15 and 20 is:
4:3
3:4
3:5
5:3
Ratio = 15:20 = 3:4.
Question 1(a)
There are 20 girls and 15 boys in a class.
What is the ratio of numbers of girls to the number of boys?
The number of natural numbers between 15 and 20 is ___.