Dana and Tara have decided to visit their local supermarket to prepare dinner for their friends. While there, they decided to make a table for the potatoes that cost \( \$ 3.25 \) per pound. \begin{tabular}{|c|c|} \hline Number of Pounds & Cost (\$) \\ \hline 1 & 3.25 \\ \hline 2 & 6.50 \\ \hline 3 & 9.75 \\ \hline 4 & 13.00 \\ \hline \end{tabular} What if the local store decided to charge \( \$ 0.50 \) for a potato bag? Model an equation to represent the cost per pound of potatoes and the bag of potatoes.
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