a plumber's bill b is based o $125 for materials and $50 per hour for t hours of labor. Set up the equation and then solve for 3 1/4 hours

Question

Please show work so i can understand more thanks!

Answer 1

the bill (b)= $125 + ($50 x Hours)

 

b=125+(50 x t)

 

time=3 1/4 hours= 3.25

 

b=125+ (50x3.25)

b=125+162.5

b= $287.50