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The side length of a square is increased by 50%. By what percent is the area increased?

 Jan 8, 2019
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x= side length       Area = x * x = x^2

1.5 x = new length  Area = 1.5x * 1.5 x = 2.25 x^2      the area is increased by a factor of 2.25  or  225%

 Jan 8, 2019

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