pls answer this with an explanation if you can pt5

Answer:
B 1.25 hours
Step-by-step explanation:
total cost = flat fee + hourly charge* hours
120 = 45+60*h
We need to solve for h
subtract 45 from each side
120-45 = 45-45+60h
76 = 60h
Divide each side by 60
75/60 = 60h/60
1.25 = h