Carmelo and LeBron participate in a eight-person footrace on the basketball court during All-Star ...

Carmelo and LeBron participate in a eight-person footrace on the basketball court during All-Star Weekend. If all eight contestants finish (including Charles Barkley) and there are no ties, how many different arrangements of finishes are there in which Carmelo defeats LeBron?

Quiz

Answer/Solution

20160

Steps/Work

8! = 40320
40320/2=20160 half the time carmelo is in front, vice versa
Answer:
(A) 20160