The ratio of 3 would be the girls because its boys TO girls and there would be 120 girls because if theres 80 boys and the ratio is 2 then its going by 40’s. The total number of students would be 200.
The question is incomplete..a , b are two different variables and such can't be solved with only one given interlinked condition.
The parent function was moved left one and down five. It also opened up due to the 1/2