Plz help me this is worth 13 points

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?

Can someone me out here number 4 plz

At 6 1/2 cents per pound of string beans how much does 7 pounds cost