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Source: GWD

Level: 0

Of the 2,500 tons of ore mined daily at a quarry, 0.4 percent results in a certain pure metal. In how many days of mining will the total amount of pure metal produced at the quarry be equal to the daily amount of ore mined?

  • A 10
  • B 100
  • C 250
  • D 400
  • E 1000

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