Find n so that mean of the data set is 140. (120, 145, 130, 80, 95, 100, 340, n)

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.