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The length of a rectangle is 2 more than its width. The area of the rectangle is 80. Find length and breadth. |
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Answer» Let x be the width, then length = x + 2 x (x + 2) = 80 x2 + 2x = 80 x2 + 2x + 1 = 80 + 1 (x + 1)2 = 81 x + 1 = 9 x = 8 length = 10 width = 8 |
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