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OpenStudy (anonymous):
There are 8 runners in a race. How many ways can the runners finish first, second, and third? A. 8 B. 24 C. 336 D. 6720
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OpenStudy (anonymous):
@sidsiddhartha
OpenStudy (sidsiddhartha):
In a 8 man race, how many runners have the chance to finish first?
OpenStudy (anonymous):
8?
OpenStudy (sidsiddhartha):
yeah 8 Now that 1 person is first, how many runners could be second?
OpenStudy (anonymous):
7?
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OpenStudy (sidsiddhartha):
yeah so How many can be third? now
OpenStudy (anonymous):
6
OpenStudy (sidsiddhartha):
yeah so prob=8*7*6=336 so there are 336 diffrent ways
OpenStudy (anonymous):
alright. thanks! I didn't know it worked like that.
OpenStudy (sidsiddhartha):
youre welcome
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