contestada

A plumber charges $25 for a service call plus $50 per hour of service. Write an equation in slope-intercept form. How many hours did the plumber's work if he made $375?

Respuesta :

Answer:

[tex]x=7 \ hours[/tex]

Step-by-step explanation:

[tex]y=50x+25[/tex]

where x is time in hours

For y=375

[tex]375=50x+25[/tex]

[tex]\frac{375-25}{50} = x[/tex]

[tex]x=7 \ hours[/tex]