GMAT 考满分题库

- 数学PS -
The average speed of a train is 50 miles/h. How many seconds does it take for the train to finish a journey of 700 feet? (1 mile = 5280 inches)
  • A8.3
  • B8.5
  • C8.8
  • D9.3
  • E9.5
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正确答案: E

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