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Mathematics, 06.04.2021 02:10 mcaninch36

A watercolor painting is 21 inches long by 12 inches wide. Ramon makes a border around the watercolor painting by making a mat that adds 2 inches to each side of the length and the width. What is the area of the mat? please help


A watercolor painting is 21 inches long by 12 inches wide. Ramon makes a border around the watercol

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