Civil Service Exam Reviewer · Measurement and Geometry · medium
How many 30 cm × 30 cm square tiles are needed to cover a floor 5.4 m by 0.9 m?
- 16
- 54
- 27
- 60
Answer
B. 54
Solution
Floor = 4.86 m²; tile = 0.09 m². Tiles = 4.86 ÷ 0.09 = 54.
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