A plumber charges a flat fee of $76 to visit a home and examine a clogged drain. The plumber charges an additional $24 per hour spent fixing the drain. The total cost, C (in dollars), for fixing a drain that takes h hours is given by the following.
C = 24h+76
Answer the following questions.
(a) What is the total cost for fixing a drain that takes 5 hours?
sc
(b) If the plumber charged a total of $388, how many hours did he spend fixing
the drain?
hours