Find the value of x in this problem.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Witch represents the inverse of the function f(x)=1/4x-12

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.