Lea is reading a book that is 165 pages. She reads 15 pages each day. Which equation can be used to determine the number of days, it will take Lea to finish reading the book? A: d + 15 = 165
B: 165 = d/15
C: 15d = 165
D: 165 = 15 - d

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.