Out of 200 students in a school, 30 have brown sandals. What is the probability that a student chosen at random would have brown sandals?

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.