Joseph is an electrician who charges a travel fee to each customer. He also charges an hourly fee of service. The table below represents how much he charges for up to 5 hours of service.
H C
0 35
1 95
2 155
3 215
4 275
5 335
Which equation represents the cost, C , of H hours of service?
A: C=35h-60
B: C = 35h + 60
C: C=60h - 35
D: C = 60h +35