The width of the frame for the image is about 1.5 inches.
Area is the amount of space occupied by a two dimensional object or figure.
Let w represent the width of the frame, hence:
Length of image and frame = 7 + w + w = 2w + 7
Width of image and frame = 5 + w + w = 2w + 5
Area of width and frame = (2w + 7)(2w + 5)
80 = 4w² + 24w + 35
4w² + 24w - 45 = 0
w = 1.5 inches
The width of the frame for the image is about 1.5 inches.
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