Last year, the gym membership fee was $60. This year the fee is $48. By what percentage was the membership fee reduced

Mathematics

1 answer:

dexar [7]3 years ago

5 0

I think I went down by 29 dollars and 76 cent

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$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------$

$\bf \stackrel{\textit{the volume of a gas varies inversely with applied pressure}}{v=\cfrac{k}{p}}
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\end{cases}\implies 60=\cfrac{k}{1}\implies 60=k
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\boxed{v=\cfrac{60}{p}}
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