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4. The area of a rectangular carpet is 28 square feet. The length is three feet more than the width. Find the length and the width of the carpet.
4. The area of a rectangular carpet is 28 square feet. The length is three feet more than the width. Find the length and the width of the carpet.
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Let w be the width.
Since the length is three feet more than the width. The length will be w+3.
Use the positive root, which is 4. Therefore w=4.
With w=4,
L = 7
W = 4
The length of the rectangular carpet is 7 and the width is 4.