Question 1138281
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The current carpeted area is 4x6 = 24 square yards.<br>
The area doubled will be 24*2 = 48 square yards.<br>
The original length is 2 more than the width; assuming the added strip is of uniform width, the new length still has to be 2 more than the width.  Two numbers that differ by 2 and have a product of 48 are 6 and 8.  So the new overall dimensions are 6x8 yards.<br>
Since the length and width have each increased by 2 yards, and the added carpet is on all four sides, the width of the strip is 1 yard.