Answer: good evening fellow cool dude! im here to save your day. -- well assuming you're a K12 student and have 1 more hour to complete this dreadful question before it becomes overdue.
Step-by-step explanation: Greeta earns the most per hour. ($120)
Here's what we know, and heres the breakdown of everything:
Greeta: 75+45=120
Richard: *just look at the graph man c'mon*
Steve: $55 (why? here's why.) I would whip out the rate of change formula, but nah, since we're lazy, lets just divide. 165 divided by 3 gives us $55, and that, is how we got that answer.