If the length of a rectangle is increased by 20% and the breadth is reduced by 20%, what will be the effect on its area?  Choose the correct choice from the following:	A) 4% increase	B) 6% increase	C) 5% decrease	D) 4% decrease	E) None of these
Percentage change = x - y - xy⁄100   = 20 – 20 – 20×20/100=−4%=4%decrease   Answer 4% decrease
<result>D</result>
If the length of a rectangle is increased by 20% and the breadth is reduced by 20%, what will be the effect on its area?