3. Find the cost of papering a room 8 m long, 6 m wide and 4 m high with paper 80 cm wide at the rate of
120 per piece of 5m.
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Answer:
Total Cost for Papering the 4 walls of the room = Rs 3,360.00
Step-by-step explanation:
Hope we are doing the papering only on the 4 walls
Length of Room , L= 8 M
Width of Room, W = 6 M
Height of Room , H = 4 M
Wall Area = 2 (LH + WH)
= 2 ((8 x 4) + (6 x 4))
= 2 (32 + 24)
= 2 x 56
= 112 Sq. Meter
Area of one paper Roll = Length of Paper x Width of paper
= 5 M x 80 CM
= 5 M x 0.80 M
= 4 SQ. METER
No of rolls required = 112 / 4
= 28 Rolls
Cost of one roll of paper = Rs 120.00
Therefore Total Cost for Papering the 4 walls of the room = 120 x 28
= Rs 3,360.00
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