Customers are charged a $35 one-time fee for the design and $4.75 per t-shirt. Explain your answer

Astudent simplified a rational expression as shown.

The sum of two numbers is 86, and their difference is 20. find the two numbers

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.