GMAT 考满分题库

- 数学PS -
If Henry were to add 5 gallons of water to a tank that is already $$\frac3 4$$ full of water, the tank would be $$\frac7 8$$ full. How many gallons of water would the tank hold if it were full?
  • A25
  • B40
  • C64
  • D80
  • E96
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正确答案: B

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