If 5/8 of the teachers are males, there are 45 male teachers.
Subtract this value from 72 (i.e., find 3/8 of 72), and you will find that there are 27 female teachers.
I can answer most of them!
So 3:2
and there are 10 south american butterflies then it would be 10/3 =? and that number *2
