In how many ways can seven people be seated on a sofa if it can only accomodate five people?

please kelangan ko po ung sagot thank u in advance​


Sagot :

Answer:

In how many ways can 7 people be seated on a sofa if it can only accommodate 5 people?

The answer shall be in (7P5) = (7!) / {(7 - 5)!} = (7!) / (2!) = (5040 / 2) = 2520 ways