Aperson leaves home at 8: 00 a. m. and drives to a destination at a rate of 40 mph. the person returns at a rate of 25 mph and arrives at 2: 30 p. m. if x represents how far it is to the destination, then which of the following expressions represents the amount of time to make the return trip? .

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.