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?  Options.
A) 3/4 B) 2/3 C) 4/7 D) 1/2 E) 1/7
= 10/70. = 1/7   my answer is 1/7 too
<result>E</result>
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?