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

slodave 04-10-2011 09:14 PM

Google says 288.

DARISC 04-10-2011 09:17 PM

Quote:

Originally Posted by RWebb (Post 5956253)
only a commie would say the answer is 2

Of course! You've read my PARF posts! :mad:

The correct answer is 288.

This is a 'gotcha' equation because it's easy to think you're done with the () when you've added 9 + 3...but you know how smug and arrogant us commie *******s can be when we're disinformationing. :D

Geronimo '74 04-10-2011 09:23 PM

288

Geronimo '74 04-10-2011 09:24 PM

Quote:

Originally Posted by slodave (Post 5956295)
Google says 288.

So does Excell...

KaptKaos 04-10-2011 09:30 PM

288

It's a poorly written problem.

emcon5 04-10-2011 09:31 PM

Quote:

Originally Posted by Mark Henry (Post 5956293)

Everyone should read that link, it spells it out really well.

Frankly, one of the comments on that link really nailed it:

Quote:

I hate this. No self respecting mathematician would ever write something like this, it’d either be (48/2)*(9+3) or 48/(2(9+3)) depending on what they were trying to do. There is no “right” answer because the problem should not be written that way in the first place. Instead of programming it one way or the other into a given system, it should return an error instead, telling you to stop being so stupid.

RANDY P 04-10-2011 09:31 PM

Quote:

Originally Posted by DARISC (Post 5956300)
Of course! You've read my PARF posts! :mad:

The correct answer is 288.

This is a 'gotcha' equation because it's easy to think you're done with the () when you've added 9 + 3...but you know how smug and arrogant us commie *******s can be when we're disinformationing. :D

Figures you guys got it wrong. You are an Obama voter.

rjp

emcon5 04-10-2011 09:32 PM

Quote:

Originally Posted by DARISC (Post 5956280)
HAHAHAHA!

Don't miss out on the deal I'm offering in post #36!!!

Thanks for proving my point.

krystar 04-10-2011 09:35 PM

48*0.5*(9+3) = 288

qed

aways 04-10-2011 09:48 PM

parentheses first
exponents
multiplication or division -- left to right
addition or subtraction left to right

Answer is thus 288...

The "trick" here is that the term 2(9+3) is meant to lead people to do this operation first, when in fact if it were written 2 X (9+3) it would be more obvious that the answer should be 288.

DARISC 04-10-2011 09:57 PM

Quote:

Originally Posted by KaptKaos (Post 5956316)
288

It's a poorly written problem.

Yeah; thus the not far from 50/50 split in the poll.

Fun though. :)

http://forums.pelicanparts.com/uploa...1302501371.jpg


http://forums.pelicanparts.com/uploa...1302501393.jpg

Geronimo '74 04-10-2011 10:48 PM

First one with the extra set of parentheses is a different notation than what the OP said, and yields a different outcome imo, no?

DARISC 04-10-2011 11:14 PM

Quote:

Originally Posted by Geronimo '74 (Post 5956388)
First one with the extra set of parentheses is a different notation than what the OP said, and yields a different outcome imo, no?

Yeah - that's what makes it fun. :)

From the link originally posted by Mark Henry
48÷2(9+3) = ? | Know Your Meme:

"48÷2(9+3) = ? is a math problem that, depending on the order of operations used, leads to two different answers: 2 and 288. What is the correct answer is currently a hot topic for debate, and is sometimes used to troll other users because of the argument that can result afterward"

I can't seem to get WolframAlpha to do it again, but the first time I entered the equation as posted here, it converted it to the extra set of parentheses and gave the answer 2 (the first screen shot above). The second time I entered it, it didn't and gave the answer 288. Interesting, no? :confused:

DARISC 04-10-2011 11:32 PM

From that link: :D

<iframe title="YouTube video player" width="640" height="390" src="http://www.youtube.com/embed/wv19iAncrrQ" frameborder="0" allowfullscreen></iframe>

URY914 04-11-2011 02:55 AM

Somehow this is related to how the IRS figures my taxes. I say I own $2 they say I owe $288.:(

DARISC 04-11-2011 03:10 AM

That famous polymath could have as easily quipped, Nothing is certain but death and taxes...and mathematics.

288

Mo_Gearhead 04-11-2011 05:11 AM

QUOTE: "Nothing is certain but death and taxes...and mathematics."
______________________

Three men walk into a hotel and ask for a room for the night.
The clerks says: "Rooms are $10 per night - per occupant." They each give him $10.

Later, his boss (looking at the days receipts) tells him, "You forgot our Tuesday Special Rate. Those men's room should have only been twenty five dollars." He hands the clerk a five dollar bill and says, "Take them this."

The simple-minded cleck, as he's walking to their room, ponders the delima of dividing five dollars between three men? To simplify his problem, he puts the Five in his pocket and takes out three ones. At the room he gives each man a dollar.

Three times nine = $27
The clerk kept $2
Total = $29

What happened to the other dollar? :confused:

Z-man 04-11-2011 05:36 AM

I think we can agree that:

(48÷2)(9+3) = 288.

and:

48÷(2(9+3)) = 2.

If those two answers are accepted by all, then by applying the order of operations rule, specifically the do multiplicdation/division from left to right, it can be inferred that:

48÷2(9+3) = (48÷2)(9+3)

Thus the correct answer is 288.

-Z-man.

PS: I hate it when trolls use math for their own devices! Math is serious business!!! :D

wdfifteen 04-11-2011 05:44 AM

Nearly 40% of Pelicans don't know this??
This is depressing.

wdfifteen 04-11-2011 05:46 AM

Quote:

Originally Posted by NotaBRG (Post 5956682)
You changed the problem from 48÷2(9+3) = ?? to 48÷(2(9+3)) = ??

Sheesh. :rolleyes:

Those are the same problem.


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