Question

A plumber charges a $75 flat fee plus $25 per hour for each job. Which linear equation represents the cost of a job that lasts t hours? *

Answer 1

Answer:

• C = 25t + 75

Step-by-step explanation:

Cost of the job comprises of one of fee and hourly charge. Given:

• One off fee = $75
• Hourly charge = $25
• Number of hours = t

Let C be the total cost, then required equation is:

• C = 25t + 75

Answer 2

Answer:

25t+75=cost of job

Step-by-step explanation: