In a sample of graduate students in a program, 20 percent are second-year students, and 80 percent are not first-year students. What percentage of the students at the law firm have been there for more than two years?
Choices:
A) 20
B) 30
C) 40
D) 50
E) 60
80 percent are not first-year students --&gt; This means 80 percent of students are either two or more than two years   Already, we know % of second-year students = 20 %   So, % of students there for more than two years = 80 % - 20 % = 60 % .. =&gt; (60)
<result>E</result>
In a sample of graduate students in a program, 20 percent are second-year students, and 80 percent are not first-year students. What percentage of the students at the law firm have been there for more than two years?