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The length and breadth of a rectangular playground is in the ratio of 4:1. The cost of fencing the playground at the rate of Rs 50 per metre is Rs 5000. Find the dimensions of the playground |
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Answer» answer is 40M Step-by-step explanation: let, the breadth of the playground be x length = 4x perimeter of the playground = 2(l+b) = 2(4x+x) = 2(5x) = 10x rate of fencing PER m² = rs.50 rate of fencing per 10x m² = rs.5000 = 50×100 10x = 100 x = 10 ∴breadth = 10m and length = 40m |
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