A room is 4 m long,3m wide and 3mhigh. Its walls are to be papered with 40 cm wide coloured paper , find a) how long paper is needed, b) cost of the paper at the rate of Rs 1.50per metre
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Answer:
a ) 9000 meters b ) Rs. 13500
Step-by-step explanation:
- Area of room = 400 × 300 × 300
- Length of paper = 400 × 300 × 300 ÷ 40
- Length of paper = 900000 cm
- cost of the paper = 1.50 × 9000 = Rs. 13500
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