one drink has 20 sugar another one has 45 sugar each can has 250 milliliters of soda what is the sugar concentration of the mixed soft drink?

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.