The length of rectangle is increased by 20% and the width is decreased by 20% . What is the percentage increase or decrease of the area of the rectangle .

The length of rectangle is increased by 20% and the width is decreased by 20% . What is the percentage increase or decrease of the area of the rectangle . Correct Answer decreased by 20%

We can let L = the original length and W = the original width  Thus, the original area of the rectangular is LW and the new area is 1.2L× 0.8W = 0.96LW So, the area is decreased by 4% 
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