Question: Jake hires a septic system contractor to dig trenches for his new septic tank. The cost to hire the contractor is a fixed cost of

Jake hires a septic system contractor to dig trenches for his new septic tank. The cost to hire the contractor is a fixed cost of $120 plus an additional $60 per hour. Which expression below describes the average cost of an x-hour job?

Select one:

a. dollars per hour

b. dollars per hour

c. dollars per hour

d. dollars per hour

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