Read the word problem below. a parking garage charges $3 for each of the first three hours. after three hours, the charge is $7 an hour. what is the total cost for five hours of parking? which strategy that would solve this word problem?

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.