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Abhorsen

Local Degenerate
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Osaul
As a serious question, how do you make that equation equal 16? I've been looking at it via various orders of operation and they all equal 1.
The correct solution is not to offer ambiguous math questions, but if I had to pick one, 16 is correct.

It becomes 20 / 5 * 4, and then one goes left to right, to get 4 * 4 = 16. Just like 20 - 5 + 4 = 19.

 

LordsFire

Internet Wizard
16 is indeed correct. I'm not sure how anyone gets 1 out of that, and I definitely went through the education system before common core.

...Actually, I never went to an American public school at all, and was out of university by the end of 2007.

Where the heck are they getting 1 from?
 

prinCZess

Warrior, Writer, Performer, Perv
Yeah, it's a writing/notation problem, not an 'equally correct' one. Because fractions have implied parentheses around them, but in this case the explicit parentheses and all of it being on one line makes it confusing as to whether the (2*2) is its own component or a component of the denominator. If own component the problem becomes (20/5)*(2*2)=16, if it's 'supposed' to be in the denominator you could get 1 by assuming the parentheses with (20/5(4))=1--because PEMDAS says you do the multiplication in the denominator first.

'Problem' becomes not confusing if written out better.
 

LordsFire

Internet Wizard
Remember "Please Excuse My Dear Aunt Sally"?

P = Parentheses
E = Exponents
M = Multiplication
D = Division
A = Addition
S = Subtraction

So 20/5 (2*2) = 20/5 (4) = 20/(5*4) = 20/20 = 1.

I see what people are saying about the notation problem then.

In order for that formulation to be correct, the equation should either be structured so that the 20 is on a large line that is over the top of the entire rest of the equation, or there should be two sets of parenthesis, like so:

20/(5(2*2))

As it is written, the lack of function and instead space between 5 and (2*2) results in some people reading it like I originally did, and some like you do.

This doesn't mean either interpretation is 'equally correct,' it means that the person who wrote the equation like that did a poor job, creating ambiguity. It's shit like that that results in hundred million dollar space probes crashing when they get to Mars.
 

Abhorsen

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Remember "Please Excuse My Dear Aunt Sally"?

P = Parentheses
E = Exponents
M = Multiplication
D = Division
A = Addition
S = Subtraction

So 20/5 (2*2) = 20/5 (4) = 20/(5*4) = 20/20 = 1.
Not how it actually works. Addition & subtraction are on the same level despite the mnemonic. Same with multiplication and division when inlined, and not one big fraction with 20 on top as @LordsFire points out.

Again, what is 20 - 5 + 4? 19. My math degree and my job (writing a computer algebra system for a math textbook) and any programmer or mathematician will give you the same answer. The same applies to 20 / 5 * 4.

Funny story about this, I was in 3rd grade when I first heard Pemdas, and a Korean student in class (who clearly had better schooling than us before he came over here) tried to get across that plus and minus, and times and divide, were on the same level, but couldn't quite get the english well enough. Eventually he could say it right, and the teacher corrected herself. We had to go Please Excuse M'Dear AuntSally, with both M'Dear and AuntSally said really fast and slurred together.
 
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Bear Ribs

Well-known member
Near as I can tell, the "Old Way" math is incorrect period, but the Common Core one, while correct for the Old Way, isn't using Common Core math.

The reason is because it's not a Common Core math problem, the point of Common Core is not to have traditional equations at all, everything is supposed to be a word problem with real-world applications and reasons for the math and the student is supposed to devise an equation on their own that solves the real-world issue. If you throw a string of numbers up and ask to solve for X, you're automatically not using Common Core math.

 

Abhorsen

Local Degenerate
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Osaul
Anyway, I think from the amount of debate on this problem, that the issue is the problem!
 

Scottty

Well-known member
Founder
image-11.png
 

Cherico

Well-known member

Hanukka parties are family events, you invite your entire family to them. Just like christians have their entire family at christmas parties. By nature your going to have underaged boys and girls at said parties, but were not talking about hedonistic orgies here.

As for the entertainment industry we have influence but we don't control it. Kind of like how the african american community has influence over the NBA.
 

TheRejectionist

TheRejectionist
Hanukka parties are family events, you invite your entire family to them. Just like christians have their entire family at christmas parties. By nature your going to have underaged boys and girls at said parties, but were not talking about hedonistic orgies here.

As for the entertainment industry we have influence but we don't control it. Kind of like how the african american community has influence over the NBA.

salty-heath-ledger.gif
 

ATP

Well-known member
Hanukka parties are family events, you invite your entire family to them. Just like christians have their entire family at christmas parties. By nature your going to have underaged boys and girls at said parties, but were not talking about hedonistic orgies here.

As for the entertainment industry we have influence but we don't control it. Kind of like how the african american community has influence over the NBA.
Hanuka was made becouse some victory over greeks,right?
Always laughed why leftist jews fight nationalism so much,when main jewish hollidays are about some ancient victories.
 

Scottty

Well-known member
Founder
Hanukka parties are family events, you invite your entire family to them. Just like christians have their entire family at christmas parties. By nature your going to have underaged boys and girls at said parties, but were not talking about hedonistic orgies here.

As for the entertainment industry we have influence but we don't control it. Kind of like how the african american community has influence over the NBA.

The point isn't so much about the stuff Ernie is saying being true, as it being stuff that saying will get both of them into serious trouble.
 

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