The ratio of boys to girls in 6th grades is 5 to 4. If there are 90 boys, how many girls would there be?

I'm going to assume you want the 3 apples divided by for. Each boy gets 3/4 of an apple

Step-by-step explanation:

I I I I

I I I I

I I I I

Let's say those are the slices of apple. I'm giving them to 4 boys.

Each boy gets 3 from 1 apple

III I

III I

III I

See how there's 1 left from each apple? That makes another 3 for the last boy