@@ -272,7 +272,7 @@ The percentage error in $x$ if $y$ is the correct value is $(x-y)/y \cdot 100$.
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##### Example
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##### Example
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The *percentage decrease* of an item is $(o-n)/o \cdot 100$ with $o$ being the original price and $n$ being the new one. If a drug that cost 60 dollars is not 55 dollars what is the percentage decrease?
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The *percentage decrease* of an item is $(o-n)/o \cdot 100$ with $o$ being the original price and $n$ being the new one. If a drug that cost 60 dollars is now 55 dollars what is the percentage decrease?
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```{julia}
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```{julia}
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(60 - 50) / 60 * 100
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(60 - 50) / 60 * 100
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