Issac can wash 2 cars in 3 hours. at this rate how many cars can he wash in 6 hours? how many cars can he wash in 9 hours?

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.