Which inverse operation would be used to verify the following equation?
54 ÷ 9 = 6

a. 9 − 6 = 3
b. 54 ÷ 6 = 9
c. 9 × 6 = 54
d. 9 + 6 = 15

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.