SOLUTION: If the length of a rectangle is increased by 40% and its width is decreased by 20%, what is the resulting percentage increased or decreased in the area

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Question 353481: If the length of a rectangle is increased by 40% and its width is decreased by 20%, what is the resulting percentage increased or decreased in the area
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=L+.4=1.4L
W=W-.2=.8W
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A=LW ORIGINAL AREA.
A=1.4L*.8W
A=1.12LW THIS RECTANGLE IS 12% LARGER.