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48÷2(9+3) = ????

Discussion in 'BBS Hangout' started by Pull_Up_3, Apr 7, 2011.

?

PEMDAS

  1. 288

    48.9%
  2. 2

    46.2%
  3. idunnololdog.jpg

    4.9%
  1. DonkeyMagic

    DonkeyMagic Member
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    the answer is...the answer is...

    four?
    [​IMG]
     
  2. bigben998

    bigben998 Member

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    Just think of it as 48
    2(9+3)
     
  3. tested911

    tested911 Member

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    48/2(9+3)
    48/2(12) <======== Why didn't you multiply here? (Permdas) per M then D as
    (24)(12)
    288
     
  4. bigben998

    bigben998 Member

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    oops supposed to be 48 over 2(9+3).....changes everything lol
     
  5. CrazyDave

    CrazyDave Member

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    It's seems to be an age divide, between which a focus on operations has usurped a focus on problems being written more clearly (read: specifically).

    Probably a good thing, but as usual the side who is accustomed to the current accepted norm acts like an ass about it, rather than presenting the facts and differences in a normal discussion.

    Get off my lawn.
     
  6. ths balla

    ths balla Member

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    48/2(12)... thats how it should be looked at answer is 2
     
  7. da_juice

    da_juice Member

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    Multiplication and Divison go left to right, same with addition and subtraction.
     
  8. macalu

    macalu Member

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    because at that point, the problem is 48÷2x12, NOT 48÷(2x12)
     
  9. SuperBeeKay

    SuperBeeKay Member

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    Do the parenthesis first

    so its 48/2 * (12).

    Then work from left to right, since there is both division and multiplication

    so 48/2 is 24.

    then multiply 24 by 12.
     
  10. tamericus

    tamericus Member

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    They should have never used this abbreviation of PEMDAS, it serves no good if people don't remember the rules.
     
  11. boomboom

    boomboom I GOT '99 PROBLEMS

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    So the fact that us older guys understand this makes us smarter...even though we're wrong. lol.
     
  12. tmoney1101

    tmoney1101 Member

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    Throw me in with the 288 peeps.
     
  13. professorjay

    professorjay Member

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    Can more people please re-write their interpretation of the equation? I think we need a few more of those.
     
  14. madmonkey37

    madmonkey37 Member

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    Looks like the parenthesis are screwing some people up. If its just a single number inside them, then its just normal multiplication, so you go left to right. That or they're just trollin.
     
  15. ChievousFTFace

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    Wrong

    48÷2(9+3) = 48÷2(12)

    To those who said it works in excel, you would have to correct it to =48/2*(12) which is not what the original formula implies.

    To me, it's an incomplete formula and has no answer. Now on to the rest of my day...
     
  16. JayGoogle

    JayGoogle Member

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    You win.
     
  17. rox1

    rox1 Member

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    seriously guys its 288...
    first 9+3=12
    second 48/2=24 ( you divide first because you go from left to right and the division comes first )
    third 24*12=288

    it ain't rocket science :rolleyes:
     
  18. juicystream

    juicystream Member

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    A number on the outside of groupings means the same thing as if it were 2 x (9+3). The answer of 2 would be 48/[2(9+3)] when looking at it from a straight line operation perspective.
     
  19. what

    what Member

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    Right and the answer is still 2. Why do you continue to divide before you multiple.

    48/2*12 left to right on 2*12 not on 48/2 that's dividing first.

    At best this is a vague equation but the answer is still 2.
     
  20. macalu

    macalu Member

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    not sure if serious. :eek:
     

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