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Given the value $N$ and the percentage $p$, where $N = G + G \times (p/100)$, $d$ is the percentage you need to subtract of $N$ to get the base value $G$.

  • Is there a general formula for determining $d$?
  • Is there a formula independent of $G$ and $N$, where $d$ can be calculated only from $p$?
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    This sounds like a homework question. Write an equation that describes how $d$ relates to $N$ and $G$2012-02-22

2 Answers 2