in a sample of college students , 50 percent are third year students and 70 percent are not second - year students . what fraction of those students who are not third - year students are second - year students ?
required answer = 40 / 60 . = 2 / 3 answer is a
divide(subtract(subtract(const_100, 50), multiply(const_3, const_10)), multiply(const_3, const_10))