A car repair company charges $25 for an evaluation plus an hourly rate for any services required. What is the hourly charge for services?

Question

0 hours- $25

2 hours- $145

4 hours-$265

6 hours-$385

Answer 1

(145-25)/2=120/2=$60 per hour

(265-25)/4=240/4=60

(385-25)/6=360/6=60