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User:Temperal/Introductory Proportion

< User:Temperal
Revision as of 21:06, 15 September 2007 by Temperal (talk | contribs) (→‎Problem)

Problem

Suppose $\displaystyle \frac{1}{20}$ is either x or y in the following system:

$\begin{cases} xy=\frac{1}{k}\\ x=ky \end{cases}$

Find the possible values of k.

Solution

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