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Two-thirds of a number is 14 less than the number itself. The number is:

  • A.21
  • B.42
  • C.28
  • D.56

Answer: B

Let the number be \(x\). Then \(x - \dfrac{2}{3}x = 14\), which gives \(\dfrac{1}{3}x = 14\) and \(x = 42\). Check: two-thirds of 42 is 28, and \(42 - 28 = 14\). Notice the leftover fraction is always one minus the given fraction.

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