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jesusfreak

  • 2 years ago

Six runners are in a foot race. How many different ways can they come in 1st, 2nd, and 3rd place? A. 40 B. 120 C. 20 D. 60

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  1. annas
    • 2 years ago
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    c. 20

  2. jesusfreak
    • 2 years ago
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    awesome, thanks!

  3. annas
    • 2 years ago
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    welcome again

  4. m_charron2
    • 2 years ago
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    I think it's more than that actually. Let's just consider that runner #1 finishes first : #1,#2,#3 #1,#2,#4 #1,#2,#5 #1,#2,#6 #1,#3,#2 #1,#3,#4 1,3,5 1,3,6, etc. etc. I'm not very good in probabilities, so I don't know what formula you should be using, but it's definitely more than 20

  5. phi
    • 2 years ago
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    any of 6 can be first, 5 2nd and 4 3rd 6*5*4

  6. jesusfreak
    • 2 years ago
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    Thank you phi!

  7. BieberLove
    • 2 years ago
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    C.

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