In a school survey year 6 found that for every 4 girls there were 5 boys what is the ratio of girls to boys

4:5

To find the ratio of girls to boys, we need to compare the number of girls to the number of boys.

According to the survey, for every 4 girls, there were 5 boys. This means that the number of boys is greater than the number of girls.

We can simplify the ratio by dividing both numbers by their greatest common divisor, which in this case is 1.

So, the ratio of girls to boys is 4:5. This means that for every 4 girls, there are 5 boys.