What is the value of the 5 in a diameter of a half dollar?

Ineed in figuring out this problem.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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.