Answer:
9:19
Step-by-step explanation:
Since it is girls:boys, the ratio would have 19 as the denominator.
To find the number of girls, we can subtract the number of boys, from the whole class.
28-19=9, thus, there are 9 girls.
This gives us a ratio of 9:19.
To simplify, we find a common factor between the numbers, and then divide.
But, 19 is a prime number, its only factors being 1 and itself. So, the ratio is already in simplest form.
I hope this helps :) if so, brainliest would help me out a lot <3
