in a sample of christ college students , 30 percent are third year students and 90 percent are not second - year students . what fraction of those students who are not third - year students are second - year students ?
= 10 / 70 . = 1 / 7 my answer is e too
divide(subtract(subtract(const_100, 30), subtract(90, 30)), subtract(const_100, 30))