If the sides of a rectangle are increased by 25%, what is the percentage increase in the area?  Choose one:
A) 54.25%
B) 56.25$
C) 53.25%
D) 55.25%
E) 58.25%
If sides are a and b, after increase sides would be 1.25a and 1.25 b.   Percentage increase in area = (1.25a*1.25b - ab) *100/ab = 56.25%   Answer : 56.25$
<result>B</result>
If the sides of a rectangle are increased by 25%, what is the percentage increase in the area?