20 3/10 rounded to the nearest whole number

Empty box + box + empty box fill in the box is equal to 30 how

Could somebody me with this radical simplification?

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.