Question

the cost of levelling a square lawn at ₹ 15 per square metre is ₹19935.find the cost of fencing the lawn at ₹22 per metre.

Answer 1

Cost of leveling = 19935

=> Area × cost at one square metre = 19935

=> Area × 15 = 19935

=> Area = 19935/15

=> Area = 1329

××××××××××××××××××××××××

=> Area of square = side²

=> 1329 = side²

=> √1329 = side

=> 36.45 = side

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Cost of fencing = cost at one metre × perimeter

=> cost of fencing = 22 × [ 4× side]

=> cost of fencing = 22 × 4 × 36.45

=> cost of fencing = ₹3207.6



I hope this will help you



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Answer 2

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