marble tiles measures 12 cm into 10 centimetre how many tiles will be required to cover a Wall of size 4 by 3 also find the total cost of tiles at rupees 22.50 per tile
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Explanation:
Area of wall = lxb
=400×300
=120000cm^2
Area of tile = lxb
=12x10
=120cm^2
no of tiles = 120000÷120
=1000 tiles
cost = 1000×22.50
=22500 rs
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