SOLUTION: How many "unique" ways can 10 people fit on a 4-person park bench?

Algebra ->  Probability-and-statistics -> SOLUTION: How many "unique" ways can 10 people fit on a 4-person park bench?      Log On


   

Question 436112: How many "unique" ways can 10 people fit on a 4-person park bench?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
nPr=Permutation of n things taken r at a time=n!/(n-r)! Order is important.
10!/6!
=(10*9*8*7*6!)/6!
=10*9*8*7
=5040 ways
.
Ed