A repair bill for your car is $553. The parts cost $265. The labor cost is $48 per hour. Write and solve an equation to find the number of hours tt of labor spent repairing the car.
Let R be the repair bill Let P be the cost of parts Let L be the labor cost
Let t be the labor duration Let r be the labor rate
⇒553=265+48t ⇒288=48t ⇒t=6