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Mathematics 5 Online
OpenStudy (anonymous):

There are 25 people competing in a race. In how many ways can they finish in first and second place. 49 400 600 625

OpenStudy (anonymous):

@iplayffxiv

OpenStudy (anonymous):

25 choices for first then 24 for second and then 23 for third counting principle says to multiply these together

OpenStudy (anonymous):

25x24=answer

OpenStudy (anonymous):

600?

OpenStudy (anonymous):

yes.

OpenStudy (anonymous):

thank again :)

OpenStudy (anonymous):

no problem.

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