A room measures 12 m X 9 m. The floor of the room is to be covered by marble tiles
measuring 45 cm by 30 cm. How many tiles are needed?
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Your answer is 80,000
Step-by-step explanation:
Nos of tiles required = area of room÷area of tiles
Area of room = 12m×9m = 12000cm×9000cm= 108000000
Area of tiles= 45cm÷30cm = 1350
Therefore the nos of tiles required = 108000000÷1350 = 80 000
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