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-   -   48÷2(9+3) = ???? (http://forums.pelicanparts.com/off-topic-discussions/602253-48-2-9-3-a.html)

red911sc 04-11-2011 08:02 AM

Uh, it's 2 folks.....

2(9+3) has to be satisfied prior to dividing it into 48

kach22i 04-11-2011 08:03 AM

Quote:

Originally Posted by fred cook (Post 5956902)
Operation in parentheses is done first.

Read the whole thread, there is an parentheses missing if you were to get "2" as an answer.

kach22i 04-11-2011 08:04 AM

Quote:

Originally Posted by masraum (Post 5956726)
48÷(2(9+3)) gives the answer 2 .........

This made it clear for me, thank you.

DARISC 04-11-2011 08:16 AM

Quote:

Originally Posted by fred cook (Post 5956902)
Operation in parentheses is done first, then in order comes

multiplication
division
addition
subtraction

The answer is 2.

Nope - fuggedabout mdas. Ya gots ta follow the rules for mathematical order of operations:

Multiplication or division (in the OP's equation, division)
Addition
Subtraction

The answer is 288.

Z-man 04-11-2011 08:26 AM

Quote:

Originally Posted by DARISC (Post 5956887)
Which, sadly, points once again to "the dumbing down of America".

It's sad to see how many can't multiplicdate. :(

Hey - this is a math equestion, not an Engrish question!! :)

Quote:

Originally Posted by red911sc (Post 5956918)
Uh, it's 2 folks.....

2(9+3) has to be satisfied prior to dividing it into 48

Why? That violates the left-to-right order of operations rule...

-Z

JavaBrewer 04-11-2011 08:37 AM

Operations rule (multiply or divide). 288. My 6th grade daughter and 8th grade son confirm.

krystar 04-11-2011 08:43 AM

Quote:

Originally Posted by wdfifteen (Post 5956832)
lol!

Quote:

Originally Posted by georgeinhere (Post 5956859)
48/2*9+3...I see 219 as the answer.

Quote:

Originally Posted by NotaBRG (Post 5956865)
Please show your work.

I can get 219 or 48/(2*9+3) = 2.2857142857142857142857142857143 but not 111

holy cow. i don't even know how i got 111 hahah. musta missed something. second rule. always check your work! hehe

48/2*9+3 is most definitely 219! but original statement sticks. it is NOT ambiguous :)

krystar 04-11-2011 08:45 AM

Quote:

Originally Posted by red911sc (Post 5956918)
Uh, it's 2 folks.....

2(9+3) has to be satisfied prior to dividing it into 48

no u do 48/2 first. ending up with 24(12). which means 24*(12) . which is 288

DARISC 04-11-2011 08:53 AM

Quote:

Originally Posted by Targa Me (Post 5956910)
...Multiplication and division are on the same level of precedence and in fact division is simply regarded as multiplication of a reciprocal...

= yes

Porsche-poor 04-11-2011 08:58 AM

math
 
According to the wife a straight a math whiz the answer is 2. She also sent this picture.


http://forums.pelicanparts.com/uploa...1302541104.jpg

Mo_Gearhead 04-11-2011 09:02 AM

Damn it Wilwerding - if we can't get ALL these math geniuses to conclude on one equation result - then I can sure as hell offer up my theory that a dollar is missing! :p

dennis in se pa 04-11-2011 09:10 AM

If your answer is not "2", then you must have been brought up with the "New Math". A sure sign we are near the end. Peace and Love.
Too many have put the love of money before the love of people. That's why we are where we are, and why we are going where we are going.

emcon5 04-11-2011 09:11 AM

Quote:

Originally Posted by Porsche-poor (Post 5957041)
According to the wife a straight a math whiz the answer is 2. She also sent this picture.

That would be fine, if the equation in the photo is the same as the one we are talking about.

But it isn't.

Targa Me 04-11-2011 09:29 AM

Everyone getting 2 as an answer, have some else do your taxes. LOL
My apologies. I couldn't resist.

svandamme 04-11-2011 09:52 AM

Quote:

Originally Posted by Porsche-poor (Post 5957041)
According to the wife a straight a math whiz the answer is 2. She also sent this picture.


http://forums.pelicanparts.com/uploa...1302541104.jpg

the picture shows a different equation

Porsche-poor 04-11-2011 10:05 AM

I sent this around the office and its a 50/50 split. It all depends on how you remember your math facts and how you are reading the equation. I think the comment about the equation being poorly written is the most correct.

GH85Carrera 04-11-2011 10:07 AM

I guess this is one of the reason that I always hated math. It is amazing to me that there can be an argument over the answer to a simple math question.

AirKuhl 04-11-2011 10:18 AM

48÷2(9+3)= spam

All other answers are incorrect. All this equation does is show a limit of simple math notation. Ultimately, equations mean something. If the meaning is ambiguous, it needs to be clarified. It's like someone saying something that sounds like "two" out loud and expecting you to know if he meant "two", "to, or "too" without any context.

This equation is broken, whoever wrote it nedds to rite gooder.

And just for fun, if you follow order of ops it's 288.

But since my keyboard doesn't have a handy ÷ key, I would write it as 48/2(9+3). But by using the slash, we all know it's just a shorthand way of writing

48
______

2(9+3)

Which I think most people would ignore order of ops between the multiplication and division and say the answer is 2.

So:
"÷" = "/"
but
48÷2(9+3) =/= 48/2(9+3) ;)

Hugh R 04-11-2011 10:27 AM

If you put the exact formula in Excel with a "*" between the 2 and the ( it gives you 288

UconnTim97 04-11-2011 10:36 AM

My initial thought was 2 after a quick glance. It is a poorly written equation where the better answer is 288.


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