DemianV381007 DemianV381007

30-10-2022
Mathematics

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There are 9 athletes at a track meet. How many different ways can they finish first or second?

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AreiaZ366161 AreiaZ366161

30-10-2022

for the first place we have 9 options, and once you have the first one, there are 8 options left for the second place, so we have:

[tex]9\cdot8=72[/tex]

72 different ways for first and second.

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