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

25t+75=cost of job

Explanation:

Answer 2

• C = 25t + 75

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