What numbers do i have to write in the blanks?

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Solve -.016x= -16. need solving this