Question

Carmine paid an electrician x dollars per hour for a 5-hour job plus $70 for parts.

The total charge was $320.
Which equation can be used to determine how much the electrician charged per hour?
A

Answer 1

hi so u would divide 320 by 5 and it would make 64 hope this help with first part

Answer 2

5 hours
5x+70=320
minus 70 both sides
5x=250
divide by 5 both sides
x=50

charged $50 per hour