Arocket moves at the speed of 4.9 miles per second. how fast is the rocket traveling kilometers/hour (km/h)?

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.