What is the % change in the area of a rectangle when its length increases by 30% and its width decreases by30%?  Choose the correct answer:
A) 0%
B) 20% increase
C) 20% decrease
D) 9% decrease
E) Insufficient data
(13/10)*(7/10) =91/100 of original area   91/100 is a 9% decrease from 100/100 -&gt;9% decrease
<result>D</result>
What is the % change in the area of a rectangle when its length increases by 30% and its width decreases by30%?