Answer:
120 dollars
Step-by-step explanation:
We need to determine the rate
Since this is proportional (goes through (0,0) )
We can look at the x=1 point y=15
Take y/x = 15/1 so the slope is 15 and the rate is 15 dollars per hour
If she works 8 hours
8hours * 15 dollars/ hour = 120
