Question

Ruthie is trying to choose what reading material she wants to take on a vacation. She wants to read 1 fiction book, 1 nonfiction book, and 3 magazines. If Ruthie has 8 fiction books, 7 nonfiction books, and 3 magazines to choose from, how many possible combinations of books and magazines could she take with her?

E. 3
F. 8
G. 56
H. 112

Answer 1

fiction books : C(8,1) = 8
non-fiction: C(7,1) = 7
mags: C(3,3) = 1

number of combos = 8*7*1 = 56