Bowser ate 4 1/2 pounds of dog food. that amount is 3/4 of an entire bag of dog food. how many pound of dog food were originally in the bag?

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.