Question

A plumber charges $25 for service call plus $50 per hour. Write an equation in slope-intercept form for the cost of c , after h hours of service. What is the cost 8 hours? What is 10 hours?

Answer 1

C=50h+25


C=50(8)+25
C=400+25
C=$425


C=50(10)+25
C=500+25
C=$525