The length of a rectangle is 5 inches more than its width. If the width is denoted by W, the length is W + 5.
The perimeter of a rectangle is 2*(length + width). As the perimeter of the rectangle is 42, the width is W and the length is W + 5, we get:
42 = 2*(W + W + 5)
=> 42 = 2*(2W + 5)
=> 21 = 2W + 5
=> 2W = 16
=> W = 8
L = W + 5 = 13
The length of the rectangle is 13 inches and the width is 8 inches.
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