You use 4 gallons of water on 30 plants in your garden. at that rate, how much water will it take to water 45 plants?

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.