Which of the following is NOT true about unit rates? A.

A unit rate relates a quantity to 1.
B.

Unit rates can be used to compare two rates.
C.

Any rate is equivalent to its unit rate.
D.

A unit rate always relates quantities with the same units.

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.