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The length of a rectangular wooden board is thrice its width. The width is of the board is 120 cm , find the cost of framing it at the rate of$5/20cm |
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Answer» $ 240 LENGTH= 360cm breadth=120 cm perimeter=2(l+b) =2(360+120)cm =2(480)cm =960cm Cost of framing 960M @ $5/20cm= $240 |
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