Zachary purchased a computer for $1,900 on a payment plan. Four months after he purchased the computer, his balance was $1,340. Six months after he purchased the computer, his balance was $1,060. What is an equation that models the balance y after x months.

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.