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 Question from jehanzaib, a student: if x is a percentage: e.g. 40% than what does "x/(1+x)" = 29%. what is the explanation.

Hi,

Percent means per 100 so 40 is $\large \frac{40}{100} \normalsize = 0.40.$ Evaluate $\frac{x}{1+x}$

where $x = 0.40$ and see what you get.

Penny

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