The mean of a set of four test scores is 88. If three of the test scores are 84, 88, and 94, what is the fourth test score?

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.