Malia works at a movie theater and is paid hourly. One month, she earned $388.80. The total amount she earns can be found using the equation y = 8.1x, where x is the number of hours she works and y is the total amount she earns in dollars. Bill works at a golf course and is also paid hourly. This table shows the total amount he is paid for different numbers of hours worked.

How do the unit rates compare?

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Number of hours Total amount earned
18 $144.90
28 $225.40
35 $281.75