Question

How many square tiles of side 20cm are needed to cover a floor 3.8m by 2.8m?​

Answer 1

Answer: 266

Explanation:

Area of floor 3.8 × 2.8 = 10.64m²

Tiles 0.2m × 0.2m = 0.04m²

Number of titiles = 10.64/0.04