A large chocolate bar has a base area of 60.48 square feet and its length is 0.4 foot shorter than twice its width. Find the length and the width of the bar. The width of the bar is
(Simplify your answer. Type an integer or decimal rounded to one decimal place as needed.)

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.