A department store buys 200 shirts at a cost of $2,400 and sells them at a selling price of $20 each. Find the percent markup.

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.