Can 7/9 and 42/54 form a proportion

Place the following steps in order to complete the square and solve the quadratic equation,

Can some one explain this i got sent this. is this a threat i’m scared

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.