Six people are sitting around a circular table, and each person has either blue eyes or green eyes. Let x be the number of people sitting next to at least one blue-eyed person, and let y be the number of people sitting next to at least one green-eyed person. How many possible ordered pairs (x,y) are there? (For example, (x,y)=(6,0) if all six people have blue eyes, since all six people are sitting next to a blue-eyed person, and zero people are sitting next to a green-eyed person.) I got 14 and 8 but it said it was wrong. I need help
Please this is my 3rd time asking this question. It would mean a lot. Thank you for your time!!!
You can just brute force this one:
6 cases:
Adding up the bolded numbers, we get a final answer of 12 ordered pairs.
Hope this solutions helps!