Susan and jim each own a lawn care business. the amount susan charges for lawn care is shown in the table. the amount him charges for lawn care is shown in the graph.

what is the difference between susan's and jim's lawn care business in the amounts they charge for 10 hours at work ?

susan
2 hrs $48
3 hrs $72
7 hrs $ 168
11 hrs $264

jim
1 hr $20
2 hrs $40
3 hrs $60
4 hrs $80
5 hrs $100
6 hrs $120

a) $16
b) $20
c) $28
d) $40