GMAT 考满分题库

- 数学PS -
Coffee cups were put in two size of boxes. A big box and a small box can hold 15 coffee cups. Two big boxes and four small boxes can hold 40 coffee cups. How many coffee cups can be put in a big box?
  • A4
  • B5
  • C8
  • D9
  • E10
显示答案
正确答案: E

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