Enrollment in City College in 1980 was 83 1/3 percent of enrollment in 1990. What was the percent increase in the college’s enrollment from 1980 to 1990?	Pick:
A) 10%  B) 16 2/3 %  C) 20%  D) 25%  E) 183 1/3%
Let 100 is the enrollment in 1990.   Enrollment in 1980= 83.3   % increase= (Increase from 1980 to 1990)/Enrollment in 1983   =&gt;16.7*100/83.3 =20%   ANSWER:20%
<result>C</result>
Enrollment in City College in 1980 was 83 1/3 percent of enrollment in 1990. What was the percent increase in the college’s enrollment from 1980 to 1990?