Difference between revisions of "User:Temperal/Introductory Proportion"

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==Problem==
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#REDIRECT [[Proportion/Introductory]]
Suppose <math>\displaystyle \frac{1}{20}</math> is either '''x''' or '''y''' in the following system:<br />
 
:<math>\begin{cases}
 
xy=\frac{1}{k}\\
 
x=ky
 
\end{cases}</math> <br />
 
Find the possible values of '''k'''.
 
 
 
==Solution==
 
{{solution}}
 
 
 
if <math>x=\frac{1} {20}</math>, then <math> \frac{y} {20} = \frac{1} {k}</math> and <math>ky=20</math>
 

Latest revision as of 18:21, 24 September 2007