– Jack can paint a room in 9 hours alone. If Sara helps, they can do the job in 5 hours. How long would it take Sara to paint the room alone?

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.