Cassandra works at a bookstore. Yesterday, she sold 18 hardcover books. The rest of the books she sold were paperback books. She sold a total of 41 books. How many paperback books did she sell?
Use the variable p to represent the number of paperback books Cassandra sold yesterday.
Which equation represents this situation and its solution?
A) p + 18 = 41; p = 23
B) 41p = 18; p = 23
C) p + 41 = 18; p = 23
D) 18p = 41; p = 23
PLEASE HELP!!!