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| Math Central | Quandaries & Queries |
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Question from barbara: i ran across the same question using 10%, my question is this, I have $751,400, which has been marked up 20%. I want |
Hi Barbara,
If the original amount was $A and you wanted to mark it up p% you would multiply $A by p/100 and add that to $A to obtain the marked up price of $751,400. That is
$A + $A × p/100 = $751,400.
This is
$A(1 + p/100) = $751,400.
You have p = 20 so this expression is
$A(1.20) = $751,400
and hence
$A = $751,400/1.20.
Penny
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