The table shows the number of hours Nina worked on three different days and the amount of money she earned.
Hours Worked Amount Earned
3 $34.50
5 $57.50
8 $92.00
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Based on the data in the table, write an equation that can be used to determine the amount of money Nina earns given the number of hours she works. Show your work or explain how you determined your equation. Be sure to define your variables.