Enrollment in City College in 1980 was 85/3 percent of enrollment in 1990. What was the percent increase in the college’s enrollment from 1980 to 1990?  Options:
A) 100%  B) 16 2/3 %  C) 200%  D) 253%  E) 183 1/3%
Assume 100 enrollments present in 1990   85/3 % of 1990 = enrollments on 1980   enrollments on 1980 = 28.33   % change = (enrollment in 1990 - enrollment in 1980)*100/(enrollment in 1980)   =(100 - 28.33) *100 / 28.333   = 7166.67 / 28.333   = 253 %   Ans - 253%
<result>D</result>
Enrollment in City College in 1980 was 85/3 percent of enrollment in 1990. What was the percent increase in the college’s enrollment from 1980 to 1990?