If the side of a square is increased by 55%, its area is increased by?  Select:
A) 140% B) 145% C) 150% D) 160% E) none of these
Since Side x Side = 140%rea   Therefore, net% change in area   = ( x + y + xy/100) %   = [55 + 55 + (55 x 55)/100]% or 140.25%   Therefore, area is increased by 140.25%   140%NSWER:140%
<result>A</result>
If the side of a square is increased by 55%, its area is increased by?