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An auditorium measures 80m in length and 30 min breadth. If the walls of the auditorium have to be decorated with colored buntings 4 times, find the length of buntings required. If the cost of 1m of buntings is Rs. 15, what is the total cost of the buntings used to decorate the auditorium? |
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Answer» The Perimeter of Auditorium = (21 + 2b) units = (2 × 80 + 2 × 30) = 160 + 60 = 220 metres Auditorium walls have to be decorated with colour buntings = 220 × 4 = 880 metres The cost of the buntings used to decorate the auditorium = 880 × 15 = 13,220 The cost of 1 metre of bunting = Rs 15 |
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