Mathematics, 13.03.2020 01:40 veronica25681

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 nine entries in the trifecta race, how many tickets must you purchase to guarantee a win?

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The trifecta at most racetracks consists of selecting the first-, second-, and third-place finishers...

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