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Andreyy89
3 years ago
10

He trifecta at most racetracks consists of selecting the​ first-, second-, and​ third-place finishers in a particular race in th

eir proper order. If there are nine entries in the trifecta​ race, how many tickets must you purchase to guarantee a​ win?
11.7#16
Mathematics
1 answer:
Komok [63]3 years ago
6 0

Answer:

The answer is 504 tickets must be purchase to guarantee a win.

Step-by-step explanation:

This is a permutation problem, which requires arrangement.

The first place finisher can be any of the nine entries, the second place finisher can be any of the remaining 8 entries and the third place finisher can be any of the remaining 7 entries.

Therefore ; 9*8*7=504

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