Answer:
C
Step-by-step explanation:
Because that is the only graph that makes the relationship between the 2 propportional.
at 00 hours she makes 0 dollars
at 1 hour she makes 20 dollars
at 2 hours she makes 40
at 3 hours she makes 60
at 4 hours she makes 80
at 5 hours she mkes 100
at 6 hours she makes 120
and so on...
