Suppose shirts are one of 4 colors (red, blue, purple and green) and pants are either black or brown. An outfit consists of a shirt and pants. What is the minimum number of people that need to be in a room together to guarantee that at least two of them are wearing same-colored outfits?

Respuesta :

Answer:

9

Step-by-step explanation:

There are are 8 possible combos (4x2=8) so you would need at least 9 people

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