27 red markers to 12 blue markers into a ratio

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

The measure of angle 0 is 600 degrees

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.