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QUESTION
a picture 11 inches by 15 inches is to be mounted on a piece of matboard so that there is an even amout of mat all around the icture.
a picture 11 inches by 15 inches is to be mounted on a piece of matboard so that there is an even amout of mat all around the icture. how wide will the board be if the area of the mounted picture is 285 square inches
