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Eight two-person teams are participating in a three-legged race. Find the number of orders in which all 8 teams can finish the race.

User Anaxin
by
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2 Answers

3 votes

Answer:

thx for points man

Explanation:

User Tdimmig
by
7.0k points
3 votes
Each team needs two people for a 3-legged race.
Therefore, the number of orders (combinations) of 2 people at a time from 8 is
₈C₂ = 8!/(2!6!)
= (8*7*6!)/(2*6!)
= (8*7)/2
= 56/2
= 28

Answer: 28
User Amit Desale
by
7.0k points
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