GMAT 考满分题库

- 数学PS -
A salesperson who had been driving at a speed of 100 kilometers per hour slowed down to a speed of 47 kilometers per hour. Approximately how many miles per hour was the speed reduced?

(1kilometer≈0.625mile)
  • A29
  • B33
  • C53
  • D63
  • E75
显示答案
正确答案: B

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