Question

Carmine paid an electrician x dollars per hour for a 5-hour job plus $70 for parts. The total charge was $320.
Write an equation to determine how much the electrician charged per hour. Then, use your equation and solve algebraically for x. Explain your solution?

Answer 1

5x + 70 = 320
Subtract 70
5x = 250, x = 50
$50 per hour

Answer 2

$50 per hour. i hope this helps!! :)