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View Poll Results: 48÷2(9+3)=?????
2 288 55.60%
288 220 42.47%
WhT? 10 1.93%
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Old 04-17-2011, 10:41 AM   #781
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Re: 48÷2(9+3)=?????

Quote:
Originally Posted by rickyh24 View Post
woooohoooo go 2!!!!!
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  • Old 04-17-2011, 10:46 AM   #782
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    Re: 48÷2(9+3)=?????

    2's a perfect number
    And 288, well
    Everybody's adding
    Whats inside the parentheses
    Keep this dumb thread open
    Everyone will come around
    You'll see
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    Old 04-17-2011, 11:15 AM   #783
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by dre2142 View Post
    Thats a stupid solution....and a stupid riddle.
    if it's stupid and it works, it isn't stupid ...its ok not everyone can understand everything
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    Old 04-17-2011, 12:05 PM   #784
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by Lcsulla View Post
    Shut up woman!!!!

    I am not sure how it can be anything but 2 though, despite my math knowledge.

    First you do the expression in parenthesis. 9+3 = 12
    Then you do the multiplication (PPMDAS) 12 x 2 = 24
    Lastly the division 48/24 = 2

    Ergo to me the answer is 2
    In PEMDAS, multiplication gets the same value as division - they're on the same tier, as are addition and subtraction. It's not P-E-M-D-A-S, it's P-E-M/D-A/S

    If they're both in the equation, you go from left to right.


    Quote:
    Originally Posted by neumdogg View Post
    288 is just wrong. 2 is the correct answer.
    You suck.
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    Old 04-17-2011, 12:25 PM   #785
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    Re: 48÷2(9+3)=?????

    what about the distributive property?
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    Old 04-17-2011, 12:33 PM   #786
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by colegibson View Post
    what about the distributive property?
    what about it? All it is, is multiplication of what ever is in the parenthesis.

    48÷2*(12) = 288, you just solve left to right at this point.
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    Old 04-17-2011, 03:02 PM   #787
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    Re: 48÷2(9+3)=?????

    troll -> philosophy in 13 clicks.
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    Old 04-17-2011, 03:20 PM   #788
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    Re: 48÷2(9+3)=?????

    Great. This thread is now responsible for this forum sounding like a room at Motel 6.
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    Old 04-17-2011, 03:21 PM   #789
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    Re: 48÷2(9+3)=?????

    is this forum 2c? or not 2c?


    Quote:
    Originally Posted by coldengrey12 View Post
    Great. This thread is now responsible for this forum sounding like a room at Motel 6.
    no it's not. incompetent people with little sense of mathematics is responsible for that. This thread is responsible for pointing them out.
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    Old 04-17-2011, 03:25 PM   #790
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    Re: 48÷2(9+3)=?????

    distributive property makes the equation actually look like this

    24 / ((2X9)+(2X3))

    meaning the correct answer is 2.
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    Old 04-17-2011, 03:31 PM   #791
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by VanHorneDog View Post
    distributive property makes the equation actually look like this

    24 / ((2X9)+(2X3))

    meaning the correct answer is 2.
    except you don't use the distributive property and you added an extra set of parenthesis.
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    Old 04-17-2011, 03:33 PM   #792
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by VanHorneDog View Post
    distributive property makes the equation actually look like this

    24 / ((2X9)+(2X3))

    meaning the correct answer is 2.
    last I checked the answer to your equation would be one.

    2*9 = 18
    2*3 = 6
    18+6 = 24
    24/24 = 1

    please advise
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    Old 04-17-2011, 03:41 PM   #793
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by daveshookme View Post
    last I checked the answer to your equation would be one.

    2*9 = 18
    2*3 = 6
    18+6 = 24
    24/24 = 1

    please advise
    Seriously?? You clearly know what he means.
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    Old 04-17-2011, 04:15 PM   #794
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by JimSweetWorld View Post
    except you don't use the distributive property and you added an extra set of parenthesis.
    well thats essentially what it does. because by having the (9+3) in its own bracket you are saying they need to create their own sum before they are multiplied, so (2x9)+(2x3) wouldn't be correct. that would leave you with 48/18+6

    anyway, because the (9+3) is attached to the 2, meaning both 9 and 3 are multiplied by 2. that creates a single product on the denominator of the equation meaning 24. so 48/24

    if you want to get 288 you have to set up the problem like this

    (48/2) x (9+3)

    right now 2(9+3) creates a denominator of 24.

    48
    _______
    2(9+3)
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    Old 04-17-2011, 04:16 PM   #795
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by daveshookme View Post
    last I checked the answer to your equation would be one.

    2*9 = 18
    2*3 = 6
    18+6 = 24
    24/24 = 1

    please advise
    good one
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    Old 04-17-2011, 04:21 PM   #796
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    Re: 48÷2(9+3)=?????

    who knows im probably wrong anyway... i have two friends who are debating this on facebook. one is a computer programmer and one is a mechanical engineer.

    this is my buddy Jesse, who is one of the smartest guys i know and a math wize

    hmmm according python Charlie's right. BUT that's using EXPLICIT indicators to multiply (eg 48 / 2 * (9 + 3) ), if one were to write this equation with the implied indicators (in propper explicit form) it would actually end up being 48 / ( 2 * ( 9 + 3 ) )

    so really, it depends on how you see the 2(9+3) i see it as the later.
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    Old 04-17-2011, 04:22 PM   #797
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by VanHorneDog View Post
    good one
    sorry, just had to point it out.
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    Old 04-17-2011, 04:30 PM   #798
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by daveshookme View Post
    sorry, just had to point it out.
    its ok, my superior post count lost no face.
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    Old 04-17-2011, 05:01 PM   #799
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by VanHorneDog View Post
    who knows im probably wrong anyway...
    You are...
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    Old 04-17-2011, 05:04 PM   #800
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by doesmusicbest View Post
    You are...
    although talking to a few teachers and math geniuses i know. they are all divided.

    the one answer we keep getting though is:

    whoever wrote the problem did a poor job of declaring the intentions of the problem.
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    Old 04-17-2011, 05:15 PM   #801
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by VanHorneDog View Post
    although talking to a few teachers and math geniuses i know. they are all divided.

    the one answer we keep getting though is:

    whoever wrote the problem did a poor job of declaring the intentions of the problem.
    your high post count can't interpret them?
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    Old 04-17-2011, 05:25 PM   #802
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    Re: 48÷2(9+3)=?????

    as a high school math teacher I am embarrassed that I share common ancestors with you all
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    Old 04-17-2011, 05:29 PM   #803
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by VanHorneDog View Post
    who knows im probably wrong anyway... i have two friends who are debating this on facebook. one is a computer programmer and one is a mechanical engineer.

    this is my buddy Jesse, who is one of the smartest guys i know and a math wize

    hmmm according python Charlie's right. BUT that's using EXPLICIT indicators to multiply (eg 48 / 2 * (9 + 3) ), if one were to write this equation with the implied indicators (in propper explicit form) it would actually end up being 48 / ( 2 * ( 9 + 3 ) )

    so really, it depends on how you see the 2(9+3) i see it as the later.
    didn't you go to school in arizona?
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    Old 04-17-2011, 05:37 PM   #804
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by AJF_41 View Post
    didn't you go to school in arizona?
    yeah...
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    Old 04-17-2011, 06:05 PM   #805
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by VanHorneDog View Post
    who knows im probably wrong anyway...
    This is right. You, along with the majority, are misinterpreting it. the problem is 48 / 2 x 12 after doing the 9+3. The 2 isn't 'attached' to the 9+3 it's just multiplied by it. You still have to do order of operations.
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    Old 04-17-2011, 06:17 PM   #806
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by JimSweetWorld View Post
    This is right. You, along with the majority, are misinterpreting it. the problem is 48 / 2 x 12 after doing the 9+3. The 2 isn't 'attached' to the 9+3 it's just multiplied by it. You still have to do order of operations.
    yeah im officially changing my answer.

    its actually

    48(9+3)
    ______
    2

    the (9+3) is in the numerator.
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    Old 04-17-2011, 07:27 PM   #807
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by EPLiverpool8 View Post
    as a high school math teacher I am embarrassed that I share common ancestors with you all
    Classic.
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    Why the spike in candy consumption?
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    Old 04-17-2011, 07:42 PM   #808
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    Re: 48÷2(9+3)=?????

    http://www.wolframalpha.com/input/?i=48%2F2%289%2B3%29
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    Old 04-20-2011, 09:30 AM   #809
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    Re: 48÷2(9+3)=?????

    I presented this equation to a pair of biostatisticians where I work. They have Masters degrees in Mathematics.

    They each said 2.
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    Old 04-20-2011, 09:31 AM   #810
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    Re: 48÷2(9+3)=?????

    Quote:
    Originally Posted by 42graystreet View Post
    I presented this equation to a pair of biostatisticians where I work. They have Masters degrees in Mathematics.

    They each said 2.
    Did you laugh in their faces? I would have.
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