The length of a rectangle is 12 inches more than its width. What is the width of the rectangle if the perimeter is 42 inches?
Question
Updated 2/2/2015 9:58:13 PM
Flagged by yeswey [2/2/2015 9:58:13 PM]
Original conversation
User: The length of a rectangle is 12 inches more than its width. What is the width of the rectangle if the perimeter is 42 inches?

Question
Updated 2/2/2015 9:58:13 PM
Flagged by yeswey [2/2/2015 9:58:13 PM]
Rating
3
The length of a rectangle is 12 inches more than its width.
Let x be width of the rectangle, then its length is x + 12.
if the perimeter is 42 inches, 2x + 2(x + 12) = 42, solve the equation we get x = 4.5, its width is 4.5 inches.
Confirmed by jeifunk [2/2/2015 10:09:09 PM]

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