GMAT 考满分题库

- 数学PS -
A,B and C donated money to the disaster area. A contributed $5 less than B. B donated 3 times as much as C. The trio donated a total of $44. How many dollars did C donate?
  • A5
  • B7
  • C13
  • D16
  • E21
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正确答案: B

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