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

Question

The trifecta at most racetracks consists of selecting the first-, second-, and third-place finishers in a particular race in their proper order. If there are twelve entries in the trifecta race, how many tickets must you purchase to guarantee a win?

Kunduz · Accepted Answer

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