If the sides of a rectangle are increased by 35%, what is the percentage increase in the area?
Pick
A) 38.25 % B) 40.25 % C) 82.25 % D) 50 % E) 65 %

Rationale: if sides are a and b , after increase sides would be 1.35 a and 1.35 b . percentage increase in area = ( 1.35 a * 1.35 b - ab ) * 100 / ab = 82.25 answer : c
Answer: C