48÷2(9+3) = ???

[zk1mpls]

^

30 pages in 7 hours... that has got to be an NT record or something.

 

[bruce negro]

Originally Posted by Mark Antony

Ok now it's clear why some of ya'll wanted the thread open, so you could flaunt your mental superiority 

.  Calm down bro, it's a basic math problem.  Though different perspectives, no need to be calling people tards.
For the people getting 2, only way that would be the case is if there was also a parenthesis beginning at 2 and ending after the one at 3.  ie 48/(2(9+3)) which it isn't.  That dividing line only relates to that one number, so you have to treat 48/2 seperately, that when you get to 48/2(12) it's essentially (48/2)*(12).  So going left to right using the rule it's 24*12 which is 288.

Actually, because the 2 and the (12) are touching, the division would act like a separator. You have to reconcile the 2 and the 12 in parentheses before you move on. If you're showing your work and then you rewrite it as 48/2*12, you're doing it wrong. It still needs to be written as 48/2(12), and the parentheses need to be reconciled before you move on to the division part of the problem.

 

[zk1mpls]

^

30 pages in 7 hours... that has got to be an NT record or something.

 

[julian wright]

Originally Posted by bruce negro

The answer is 2. Your calculators are getting confused if you're putting it in a certain way. You have to multiply the 2 with the 12 because the 12 is still within parentheses.

The parenthesis doesn't mean %$+$ after you add the 9 and 3. It can be rewritten as 48/2*12 in which case you would just work from left to right.

 

[julian wright]

Originally Posted by bruce negro

The answer is 2. Your calculators are getting confused if you're putting it in a certain way. You have to multiply the 2 with the 12 because the 12 is still within parentheses.

The parenthesis doesn't mean %$+$ after you add the 9 and 3. It can be rewritten as 48/2*12 in which case you would just work from left to right.

 

[bruce negro]

Originally Posted by Mark Antony

Ok now it's clear why some of ya'll wanted the thread open, so you could flaunt your mental superiority 

.  Calm down bro, it's a basic math problem.  Though different perspectives, no need to be calling people tards.
For the people getting 2, only way that would be the case is if there was also a parenthesis beginning at 2 and ending after the one at 3.  ie 48/(2(9+3)) which it isn't.  That dividing line only relates to that one number, so you have to treat 48/2 seperately, that when you get to 48/2(12) it's essentially (48/2)*(12).  So going left to right using the rule it's 24*12 which is 288.

Actually, because the 2 and the (12) are touching, the division would act like a separator. You have to reconcile the 2 and the 12 in parentheses before you move on. If you're showing your work and then you rewrite it as 48/2*12, you're doing it wrong. It still needs to be written as 48/2(12), and the parentheses need to be reconciled before you move on to the division part of the problem.

 

[hankmoody]

Someone copy and paste the bolded part of the link I posted... I can't do it on an IPad

It's 2!

 

[hankmoody]

Someone copy and paste the bolded part of the link I posted... I can't do it on an IPad

It's 2!

 

[kingcrux31]

Originally Posted by Julian Wright

Originally Posted by bruce negro

The answer is 2. Your calculators are getting confused if you're putting it in a certain way. You have to multiply the 2 with the 12 because the 12 is still within parentheses.

The parenthesis doesn't mean %$+$ after you add the 9 and 3. It can be rewritten as 48/2*12 in which case you would just work from left to right.

 

[kingcrux31]

Originally Posted by Julian Wright

Originally Posted by bruce negro

The answer is 2. Your calculators are getting confused if you're putting it in a certain way. You have to multiply the 2 with the 12 because the 12 is still within parentheses.

The parenthesis doesn't mean %$+$ after you add the 9 and 3. It can be rewritten as 48/2*12 in which case you would just work from left to right.

 

[bruce negro]

Originally Posted by Julian Wright

Originally Posted by bruce negro

The answer is 2. Your calculators are getting confused if you're putting it in a certain way. You have to multiply the 2 with the 12 because the 12 is still within parentheses.

The parenthesis doesn't mean %$+$ after you add the 9 and 3. It can be rewritten as 48/2*12 in which case you would just work from left to right.

Meh, already solved and it's 2. See juxtaposition argument below.

 

[bruce negro]

Originally Posted by Julian Wright

Originally Posted by bruce negro

The answer is 2. Your calculators are getting confused if you're putting it in a certain way. You have to multiply the 2 with the 12 because the 12 is still within parentheses.

The parenthesis doesn't mean %$+$ after you add the 9 and 3. It can be rewritten as 48/2*12 in which case you would just work from left to right.

Meh, already solved and it's 2. See juxtaposition argument below.

 

[jhova718]

its 2!!!!

 

[jhova718]

its 2!!!!

 

[an dee 51o]

The answer is 288


My dad has a MATH degree from Northwestern and I just showed him the problem. He said he sees how it could be mistaken to be 2, but the answer is

288

/thread

 

[bruce negro]

I also love how most of the counterarguments (especially on the last page) make NO sense whatsoever in regards to this problem specifically. Just passed Calc and dudes are telling me to go back to the 4th grade... ok.

 

[bruce negro]

I also love how most of the counterarguments (especially on the last page) make NO sense whatsoever in regards to this problem specifically. Just passed Calc and dudes are telling me to go back to the 4th grade... ok.

 

[an dee 51o]

The answer is 288


My dad has a MATH degree from Northwestern and I just showed him the problem. He said he sees how it could be mistaken to be 2, but the answer is

288

/thread

 

[carver]

You don't need a math degree to know it's 288 but since your pops does it makes it more right

 

[carver]

You don't need a math degree to know it's 288 but since your pops does it makes it more right

 

[dland24]

Originally Posted by cguy610

What if Dirty locked this like "the answer is 288, lock" and then Meth was like "the answer is 2, open that back up"

Then it would be finally clear that Dirty is the brains behind NT.

Again, for those of you who are getting 2, would you agree that 1-1+1= -1 ??

 

[do work son]

Originally Posted by Rocky437

Distributive property of multiplication over addition. Early Algebra problem.

The distributive property of multiplication CLEARLY states that the 2(9+3) is an entire statement and CANNOT be broken up. 2(9+3) follows the distributive property which can be rewritten as (2*9+2*3). Let me repeat the 2 outside of the parenthesis follows the distributive property of multiplication and must be factored and simplified before performing any other operations on it. You do NOT compute this expression from left to right until you use Algebra to simplify the statement 2(9+3).

So this can be rewritten as:
48 / (2*9 + 2*3)

Which leaves us with

48 / 24 = 2

Answer = 2.

Lastly for those using Google or any other online calculator. These do not understand many theorems or properties so you must explicitly explain what you mean. There is a difference between 48 / 2 * (9+3) and 48 / 2(9+3). The first notation reads 48 / 2 * 1(9+3) while the second reads 48 / (2*9+2*3). Be very careful with your signs.

 

[dland24]

Originally Posted by cguy610

What if Dirty locked this like "the answer is 288, lock" and then Meth was like "the answer is 2, open that back up"

Then it would be finally clear that Dirty is the brains behind NT.

Again, for those of you who are getting 2, would you agree that 1-1+1= -1 ??

 

[pacmagic2002]

Originally Posted by Mark Antony

Ok now it's clear why some of ya'll wanted the thread open, so you could flaunt your mental superiority 

.  Calm down bro, it's a basic math problem.  Though different perspectives, no need to be calling people tards.
For the people getting 2, only way that would be the case is if there was also a parenthesis beginning at 2 and ending after the one at 3.  ie 48/(2(9+3)) which it isn't.  That dividing line only relates to that one number, so you have to treat 48/2 seperately, that when you get to 48/2(12) it's essentially (48/2)*(12).  So going left to right using the rule it's 24*12 which is 288.

/thread......(dont really close it, but this is how people getting 2 should look at it)

 

[do work son]

Originally Posted by Rocky437

Distributive property of multiplication over addition. Early Algebra problem.

The distributive property of multiplication CLEARLY states that the 2(9+3) is an entire statement and CANNOT be broken up. 2(9+3) follows the distributive property which can be rewritten as (2*9+2*3). Let me repeat the 2 outside of the parenthesis follows the distributive property of multiplication and must be factored and simplified before performing any other operations on it. You do NOT compute this expression from left to right until you use Algebra to simplify the statement 2(9+3).

So this can be rewritten as:
48 / (2*9 + 2*3)

Which leaves us with

48 / 24 = 2

Answer = 2.

Lastly for those using Google or any other online calculator. These do not understand many theorems or properties so you must explicitly explain what you mean. There is a difference between 48 / 2 * (9+3) and 48 / 2(9+3). The first notation reads 48 / 2 * 1(9+3) while the second reads 48 / (2*9+2*3). Be very careful with your signs.