Civil Service Exam Reviewer · Measurement and Geometry · medium
How many 40 cm × 40 cm square tiles are needed to cover a floor 10.8 m by 2.4 m?
- 65
- 81
- 175
- 162
Answer
D. 162
Solution
Floor = 25.92 m²; tile = 0.16 m². Tiles = 25.92 ÷ 0.16 = 162.
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