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 04-21-2011, 01:43 PM #1 Site Team     Join Date: May 2006 Posts: 7,903 Math question(simple) 48÷2(9+3) = ? __________________ __________________ “Adults are just obsolete children and the hell with them.” - Dr. Suess
 04-21-2011, 02:32 PM #2 Site Team     Join Date: Jul 2009 Location: England, UK Posts: 3,422 Re: Math question(simple) I'm saying 288. So's Matlab. That said, the notation is awful... it proves a point but this is the reason why you never see the ÷ sign in "proper" equations and brackets exist for a reason! While there is a "right" answer to this, I think it shows that if it looks ambiguous, put brackets... __________________ __________________ Save the whales, feed the hungry, free the mallocs.
 04-21-2011, 03:06 PM #3 Daemon Poster     Join Date: Nov 2006 Location: 'Murica Posts: 793 Re: Math question(simple) Order of Operations Some might argue that the multiplication 2(9+3) should happen before the division preceding it (result of the total equation would therefore be 2), but that is incorrect. 288 is the correct answer. __________________ Civility, Substance, Subtlety, Style: Success
04-21-2011, 03:51 PM   #4
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Re: Math question(simple)

PEMDAS
Parentheses
Exponent
Multiply
Divide
Add
Subtract

The Correct Answer Is 288
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 04-21-2011, 05:18 PM #5 Site Team     Join Date: May 2006 Posts: 7,903 Re: Math question(simple) 288 is the correct answer. Someone posted this on another forum and they are still arguing over there about whether it's 2 or 288. __________________ “Adults are just obsolete children and the hell with them.” - Dr. Suess
04-21-2011, 05:20 PM   #6
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Re: Math question(simple)

Quote:
 288 is the correct answer. Someone posted this on another forum and they are still arguing over there about whether it's 2 or 288.
It seems like a moot point to me - the fact that it's causing so much controversy shows the main point - in situations like this, use brackets to show exactly what you mean otherwise people will get confused!
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 04-21-2011, 05:29 PM #7 Daemon Poster   Join Date: Oct 2010 Posts: 624 Re: Math question(simple) when I type this into my phone as it appears here, 48÷2(9+3). it automatically inserts the 'multiplication' symbol, 48÷2x(9+3). and answers 288. __________________ Asus M4A88T-M/USB3<>PhenomII X4 965e<>Asus ENGTX460 Seagate 320GB/1TB<>Win7 Ulti 64Bit<>Antec900 SyncMaster 2220WM<>HyperX 16gb<>Cooler Master 600W
 04-21-2011, 05:36 PM #8 Daemon Poster     Join Date: Nov 2006 Location: 'Murica Posts: 793 Re: Math question(simple) Well, that's why we have the orders of operations. Part of the problem is that many of us were taught in school that multiplication has higher priority over division, but that is incorrect: Division is merely multiplication of the reciprocal of the number, so it carries the same weight, as it were, as multiplication. On the same token, subtraction is the addition of a negative number. __________________ Civility, Substance, Subtlety, Style: Success
04-21-2011, 07:09 PM   #9
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Re: Math question(simple)

Quote:
 Originally Posted by Dngrsone Well, that's why we have the orders of operations. Part of the problem is that many of us were taught in school that multiplication has higher priority over division, but that is incorrect: Division is merely multiplication of the reciprocal of the number, so it carries the same weight, as it were, as multiplication. On the same token, subtraction is the addition of a negative number.
Exactly, that's why people were getting 2 I think. Apparently what I posted is sweeping the internet as a controversial topic. I thought you guys would all get it right though, haha.
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 04-21-2011, 07:23 PM #10 Fully Optimized   Join Date: Nov 2006 Posts: 3,623 Re: Math question(simple) Knowing your major I figured this would be a crazy difficult question. If I can solve it, I'd think anybody could - I suck at math (But got the right answer). __________________

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