Neat math equation

Discussion in 'Community Forum' started by CM12, Feb 18, 2008.

  1. CM12

    CM12 8 pointer

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    Dec 13, 2004
    Knott Co.
    My buddy sent me this through e-mail. It's kinda neat.

    Here is a math trick so unbelievable that it will stump you.

    1. Grab a calculator. (you won't be able to do this one in your head)
    2. Key in the first three digits of your phone number (NOT the area code)
    3. Multiply by 80
    4. Add 1
    5. Multiply by 250
    6. Add the last 4 digits of your phone number (ex. 2135 would be two thousand one hundred and thirty five)
    7. Add the last 4 digits of your phone number again.
    8. Subtract 250
    9. Divide number by 2

    Do you recognize the answer?
     
  2. plowboy

    plowboy 10 pointer

    Oh man, when I went to school in Knott County there wasn't anybody around smart enough to figure that out.
     
  3. Scott7m

    Scott7m 12 pointer

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    Dec 20, 2007
    Carter City, Ky
    Neat.............
     
  4. raktrakr

    raktrakr Cyber-Hunter

    6,669
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    Jan 20, 2002
    central ky
    I wonder what engineer with a BS who sits on his arse all day figured that one up
     
  5. KYCatBirdHunter

    KYCatBirdHunter Banned

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    Oct 22, 2003
    Shelbyville, KY
    well I've not done it, but this one's pretty easy to see through.

    the problem is:

    {[250(80x + 1) + 2y] - 250} / 2 = z

    where x and y are the two different parts of the telephone number.

    This simplifies quickly to:

    10000x + y = z

    so I'm guessing the answer is your original telephone number.
     
  6. tenntucky

    tenntucky 10 pointer

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    Sep 24, 2007
    Mineral Bluff, Ga
    :confused:yeah!! :confused:What he said:confused: Holly mackeral CAT!! that's breakin her down. I am impressed for sure.:cool::eek: Did you learn that in Kentucky?
    CM12 Thanks for showin me how to be as smart as this guy:D
     
  7. bowhunter08

    bowhunter08 10 pointer

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    Dec 29, 2007
    Paris, Ky
  8. kycowboy

    kycowboy Banned

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    Dec 11, 2004
    fuck off
    that is pretty neat
     
  9. Split_Ear

    Split_Ear 6 pointer

    339
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    Sep 18, 2006
    So. Central Kentucky
    well, it doesn't work for me.........must be certain combinations it dont work on or I'm more stupid than I thought:D
     
  10. BunnyBuster

    BunnyBuster 10 pointer

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    Aug 21, 2005
    Garrison, KY
    I liked it. No need for explainations, just pretty cool.
     
  11. raven_over_easy

    raven_over_easy 12 pointer

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    Aug 19, 2006
    Did the equation make the elk go away?
     
  12. chucky

    chucky 8 pointer

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    Dec 27, 2007
    lexington
    Thanks, that was enteresting.
     
  13. etownhunter

    etownhunter 12 pointer

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    Mar 21, 2004
    Central ky
    Didnt work for me either. And yes, i tried it 3 times.
     
  14. raktrakr

    raktrakr Cyber-Hunter

    6,669
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    Jan 20, 2002
    central ky
    hey, punch in 7734 and turn it upside down:eek:
     
  15. turkeyhunter91

    turkeyhunter91 10 pointer

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    Apr 3, 2007

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