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A watercolor painting is 20 inches long by 9 inches wide. Raymond makes a border around the watercolor painting by making a mat that adds 3 inches to each side of the length and the width. What is the area of the mat

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musiclover10045

The mat adds 3 inches to each side, so the length would be 3+20 = 23 inches. The width would become 3 + 9 = 12 inches.Area = Length x width:

23 x 12 = 276 square inches

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