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12-08-2017
Mathematics

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By decreasing each dimension by 2 units units, the area of a rectangle decrease from 48 square feet (on the left) to 24 square feet (on the right). find the percent decrease in area.

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18-08-2017

The original area is 48 square feet.

The area after the decrease in the dimensions is 24 square feet .

24 is half of 48, so the area decreased by half, that is by 50%

Answer: 50%

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