Ms. Oliver sells bookmarks for $0.90 each to raise money to purchase new library books. So far, she has collected a total of $69.12. Ms.Oliver uses the equation below to represent her bookmark sales. Which of the following could represent the number of bookmarks Ms.Oliver has sold so far?
0.96b=69.12
A) 7 bookmarks
B) 69 bookmarks
C) 68 bookmarks
D) 72 bookmarks