If $2^x = 4^y = 8^z$ and $xyz = 288$,then $\frac{1}{2x} + \frac{1}{4y} + \frac{1}{8z} = $

  • A
    $11/48$
  • B
    $11/24$
  • C
    $11/8$
  • D
    $11/96$

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