Earrings
Joelle
has three pairs of earrings in her jewelry box:
one pair of green earrings (A)
one pair of red earrings (B)
one pair of blue earrings (C)
Joelle randomly chooses two earrings.
Question:
How many possibilities are there for the earrings not to be
of the same pair?
Answer: 12 possibilities
(A1,B1), (A1,B2), (A1,C1), (A1,C2), (A2,B1), (A2,B2), (A2,C1), (A2,C2),
(B1,C1), (B1,C2), (B2,C1), (B2,C2)
