Amanda goes to the toy store to buy 1 ball and 3 different board games. If the toy store is stocked with 3 types of balls and 6 types of board games, how many different selections of the 4 items can Amanda make?
A.9
B.12
C.18
D.20
E.60
我的答案:
Amanda goes to the toy store to buy 1 ball and 3 different board games.
If the toy store is stocked with 3 types of balls and 6 types of board games, how many different selections of the 4 items can Amanda make?