Math Question
![The quantities \( x \) and \( y \) are proportional.
\[
\begin{array}{cc}
x & y \\
\hline 12 & 36 \\
18 & 54 \\
25 & 75
\end{array}
\]
Find the constant of proportionality \( (r) \) in the equation \( y=r x \).
\[
r=
\]](https://d3hlidq5bf9vg0.cloudfront.net/app-server-student/2022/3/25/bf93f6ca-465d-41ef-bb71-4f5f1b4b9c27.png "The quantities \( x \) and \( y \) are proportional.
\[
\begin{array}{cc}
x & y \\
\hline 12 & 36 \\
18 & 54 \\
25 & 75
\end{array}
\]
Find the constant of proportionality \( (r) \) in the equation \( y=r x \).
\[
r=
\]")
Solution
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