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Hi,
don't even try to mention that rule that goes more or less like "between for two, among for more than two"Emotion: stick out tongue I know the real difference (that can be found athttp://www.bartleby.com/61/37/D0303700.html ), but still I can't figure out which one to choose with the verb "divide":

We will divide the money between/among the three of us.

My guess: Both are used and possible

Thanks.
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Very interesting, this definition:
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among

7 a : in separate and usually equal shares to each of<the property was divided among the four survivors> b : for distribution to : to be shared by <there's not enough food among a crowd like this> <that leaves five dollars among us>


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Also:

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between

1 a : involving the reciprocal action of : involving as participants : jointly engaging <the job was completed between the two of them> <two years of quiet talks between the three -- Time> b : shared by <there are many interrelationships, and many mutual interests, between linguistics, philosophy, and psychology -- J.B.Carroll> c : by giving a portion of the total to each of<the fortune was divided between the four grandchildren> <the food was shared between three families>


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Thus, this dictionary, at least, mentions both.

Is amongmore egalitarian? I doubt it. Emotion: smile

If one reads/believes the definitions here, I'd say that divide betweeninvolves more interaction (including fighting!Emotion: smile) between the participants (see the"involving the reciprocal action of : involving as participants : jointly engaging" in the definition of between) while divide among is more impersonal, like made by an arbitrator.
Comments  
I think you're right that both are used, but to be really correct, divide the money between [us / the two of us] and divide the money among all [three / four / ...] of us. (How much did you have to divide, by the way? I'd like to compute my share.) Emotion: smile

CJ
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 Marius Hancu's reply was promoted to an answer.
Ok, thanks, it seems both ways are acceptable then. I tried searching with Google, and it really seems both ways are equally common. I hope they sound good though.

PS: CalifJim, sorry to disappoint you, but I'm afraid there's no money to share Emotion: big smile

Thank you.
Well, if you want to cover both AmE and BrE, you should use "divide between," it seems:

The New York Time Google hits:
"divide between" 1,021 Results
"divide among" 324 Results

bbc.co.uk hits:
2,410 from bbc.co.uk for "divide between"
67 from bbc.co.uk for "divide among"
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Yes, but you can't do that search without mentioning "of the three", "of the four", etc. When there are only two choices involved, only "between" is used. The problem arises when you consider more than two choices, that is, "divide between/among three or more people".

Anyway, I see that Merriam Webster lists both, so both must make sense somehow. Thanks.