Question

A room measures 12m x 9m. The floor of the room is to be covered by marble tiles measuring 45cm by 30cm. How many tiles are needed?

Answer 1

Answer:

800 cm²

Step-by-step explanation:

Area of the floor = 12 x 9 = 108 m² = 1080000 cm²

Area of the marble tile = 45 x 30 = 1350 cm²

Required number of tiles = 1080000/1350 = 800

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