floor tiles are 25cm squares. how many tiles will be needed for a rectangular lawn 2m long and 10m wide. Find the total cost at the rate of RS. 8 per tile.
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given are of 1 tile = 25cm^2
given dimensions of lawn =12*1cm
area of lawn=12*10=120m
total tiles needed = 120 * 10^4/25 = 48000
cost of tile = 8 rs / tile
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