1) the value of a mobile depreciates by 40% per year. work out the current value of a mobile bought 3 years ago.
2) in a '60% off' sale, an outfit was £86. work out the original price

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

What is the result of the following division?

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.