Allen watched a ladybug in the yard. it crawled 1 3/4 inches, then rested for a bit, and then crawled 7 3/4 inches more. how far did the ladybug crawl in all?

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.