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The cost of carpeting a room at Rs 90/m^2 is Rs 7200.If the length had been 5m less the cost would have been Rs 3600.Find the length and breadth of the room. |
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Answer» Step-by-step explanation: Let the length and breadth of the room BEX m andy mrespectively. Cost of carpeting xy m2 = RS. 120 Cost of carpeting x(y - 4) m = Rs (120 20) = Rs. 100 y-4 100 X(y-4) 120 xy y 6y 24 5y y= 24 m |
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