4.5 feet per second 112.5 feet in 25 seconds 86.4 feet in 18 seconds 54 feet in 12 seconds what rate that does not belong with the other three

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.