What is the Mechanical Advantage of the lever?

How many $20 bills do you need to have to make $280

What is the ratio of the length of an object in yards to the length of the same object in miles?

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.