Ratios and Proportions · Example 6

Isabelle has a part-time job. She kept track of her pay and the number of hours she worked on four different days, and recorded it in the table below. What is the constant of proportionality, or pay divided by hours? What does the constant of proportionality tell you in this situation?

\begin{array}{|c|c|c|c|c|}\hline \text{Pay} & \text{$87.50} & \text{$50.00} & \text{$37.50} & \text{$100.00} \\ \hline \text{Hours} & \text{7} & \text{4} & \text{3} & \text{8} \\ \hline\end{array}

OpenStax, Contemporary Mathematics · §5.4 Ratios and Proportions · Example 6