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

Question

2 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] · Answer 1 · 2022-05-11T23:05:47+03:00

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

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

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