SOLUTION: When the length of a rectangle is increased by 20% and the width increased by 10%, by what percent is the area increased?

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Question 1155923: When the length of a rectangle is increased by 20% and the width increased by 10%, by what percent is the area increased?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+A%5B1%5D+=+L%2AW+
+A%5B2%5D+=+%28+L+%2B+.2L+%29%2A%28+W+%2B+.1W+%29+
+A%5B2%5D+=+%28+1.2L+%29%2A%28+1.1W+%29+
+A%5B2%5D+=+1.32%2AL%2AW+
+A%7B2%5D+=+%28+1+%2B+.32+%29%2AL%2AW+
+A%5B2%5D+=+L%2AW+%2B+.32%2AL%2AW+
The increase in area is 32%