What is the lowest terms for 2 : 2⅓?

Geometry answer picture question pls . reason and statements

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2