find the number of ways in which 5 people (Ian, Mark, Lowie, and Joel) can be seated at a round table, such that Carlo and Lowie must not sit together.
escobidocarlo031103
ganito kase... consider natin yung dalawa na magka-pair at magiging "isa entity" at i add sa tatlong remaining so apat na sila entities...
Answers & Comments
Answer:
12
consider only four people
4!/4=3!
then multiply it by two in the way to order the two pair
3!(2)=12
hope it help