an auditorium measures 80 m in length and 3 cm breadth . If the Walls of the auditoream leave to be decorated with coloured bunting 4 times . if the cost of the buntings required is ₹ 15 . what is the cost of buntings used to decorate the auditorium ?
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Step-by-step explanation:
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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