Question

Paul's Plumbing charges a flat fee of $90 plus $40/h for a plumbing job. Perfect Pipes charges a flat fee of $60 plus $55 for a plumbing job.
A. Write expressions to represent the total costs of a plumbing job for each company. Let h represent the time, in hours, of a plumbing job. Be sure to label the expression for each company!

B. Is the cost of a 3-hour-long plumbing job the same at both companies. Write and use an equation to find out. Show all work!

Answer 1

Equation A.
Paul's plumbing: y= 40h+ 90
Perfect plumbing: y= 55h + 60

B:
Pauls plumbing: y= 40(3) + 90....   310= y
Perfect plumbing y= 55(3) + 60... y= 225
Not the same