McKenna collects Pokémon cards and had 318 in her collection. She decided to give some of them to her younger brother so that he can begin his own collection. After giving him the cards, McKenna now has 275 cards in her collection. Determine the percent of change in McKenna's collection to the
nearest tenth of a percent.
(a)
15.6%
(b)
7.4%
(c)
13.5%
(d)
43%
Choice A
Choice B
Choice