GMAT 考满分题库

- 数学PS -
Square tiles of size 9*9 inch2 are applied to rectangular floors of size 18*12 feet2. How many tiles are needed to cover the rectangular floor? (1 feet = 12 inch)
  • A144
  • B169
  • C225
  • D256
  • E384
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正确答案: E

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