Ralph brought his car to the mechanic to be repaired. The total bill including parts and labor was $445. The parts cost $120. He also paid d dollars per hour for 5 hours of labor. Which equation can be used to find the number of dollars, d, he paid per hour for labor?

2 answers

120 + 5d = 445
5d=(445-120)
d=1/5(445-120)