Asked by Anonymous
packing a suitcase with 3 different color sweatshirts only have room for 2 sweatshirts in the suitcase how many different combinations of 2 sweatshirts could be pack
Answers
Answered by
Reiny
think of it as A, B, C
AB
AC
BC
mathematically:
3 choose 2 = C(3,2) = 3!/(2!1!) = 3
AB
AC
BC
mathematically:
3 choose 2 = C(3,2) = 3!/(2!1!) = 3
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