SOLUTION: how many ways can someone arrange 5 people in 7 seats
Algebra
->
Permutations
-> SOLUTION: how many ways can someone arrange 5 people in 7 seats
Log On
Algebra: Combinatorics and Permutations
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Permutations
Question 251722
:
how many ways can someone arrange 5 people in 7 seats
Answer by
edjones(8007)
(
Show Source
):
You can
put this solution on YOUR website!
nPr = n!/(n-r)! Permutation. Ways you can ARRANGE n things r at a time.
7Pr=7!/(7-5)!
=7*6*5*4*3
=2,520
.
Ed