+232 Nine friends sit around a circular table. Two of the friends, April and Dave, want exactly two people to be between them. How many different seatings are possible? (As usual, two seatings are considered the same if one is a rotation of the other.)
+118673 Nine friends sit around a circular table. Two of the friends, April and Dave, want exactly two people to be between them. How many different seatings are possible? (As usual, two seatings are considered the same if one is a rotation of the other.)
Sit the two friends. Two ways.
There are 7 places left
I believe that the answer is 2*7! = 10080 permutations.
+118673 Nine friends sit around a circular table. Two of the friends, April and Dave, want exactly two people to be between them. How many different seatings are possible? (As usual, two seatings are considered the same if one is a rotation of the other.)
Sit the two friends. Two ways.
There are 7 places left
I believe that the answer is 2*7! = 10080 permutations.
