a room 9m * 7.5m is covered with tiles . size of each tile is 25cm by 20cm . find the cost of tiles at the rate of rupees 45 per tile
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Step-by-step explanation:
7.5*9/25/100*20/100
67.5/2=337.5
337.5tiles
cost per tile=$45
337.5*45=$15187.5
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