The length of a rectangle is halved, while its breadth is tripled. Watis the % change in area?
Select
A) 30%	B) 40%	C) 50%	D) 60%	E) 65%
Let original length = x and original breadth = y.   Original area = xy.   New length = x .   2   New breadth = 3y.   New area = x x 3y = 3 xy.   2 2   Increase % = 1 xy x 1 x 100 % = 50%.   2 xy   50%
<result>C</result>
The length of a rectangle is halved, while its breadth is tripled. Watis the % change in area?