Jill decides to move her fish from a 20 gallon aquarium to a 50 gallon aquarium. she added 3 tablespoons of salt to her old aquarium. if she wishes to maintain to same salinity level, how many tablespoons should she add to her new aquarium?

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.