Jim is an electrician. He charges a $150 home-visit fee and $45 per hour, with
the first two hours free. Which equation could elyse use to calculate the cost, c, to have Jim work at her house for 5 hours?
a. c 5 150 1 45(5)
b. c 5 150 1 45(5 1 2)
c. c 5 150 1 45(5 2 2)
d. c 5 (150 1 45)(5 2 2)