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http://knowyourmeme.com/memes/48293


This....
http://knowyourmeme.com/memes/48293 

Plug it into a TI89. 288
Also: http://www.wolframalpha.com/input/?i=48%C3%B72%289%2B3%29 /Thread 
HAAHAHAHA. you need to go back to school bro lol... Parenthesis > Exponents > Multiplication or Division (whichever order they appear) > Addition or Subtraction (whichever order they appear) Multiplication and Division are inverse functions and are given equal priority when evaluating expressions. this is also true for Addition and Subtraction 
^ 

exact way I learned it way back in the day lol.

This. I've bolded the key element. 

Math teacher speaking.
48/2(9+3) In words: Forty eight over two times nine plus three. When you have a string of multiplying and diving in one term, you go left to right. 10/5/2 = 1 10*5/2 = 25 Parenthesis first 48/2*12 = 288 Proof: http://www.wolframalpha.com/input/?i=48%2F2%289%2B3%29 
The answer is 2 Except ... Parenthesis > Exponents > Multiplication/Division (Left to Right)> Addition/Subtraction (Left to Right) 48/2*(9+3) = 48/2*12 = 24 * 12 = 288 I don't understand why people that can't do math love proving themselves ignorant so frequently on the internet, lol. 

45


an apple falls on my head therefore i am correct
the answer is 48 

You're all wrong. It's 42.


Was wondering when this was coming. :P 

288.
48/ 2 (9+3) is EXACTLY the same as 48/2 *(9+3). you do not multiply 2*12 before you divide 48/2 because the parenthesis is done already, the multiplication is OUTSIDE the parenthesis, therefore it is a normal multiplication. Multiplication and division have the same priority so left to right rule applies. 
This is why they put parentheses on calculators. The nature of this math problem lends itself to ambiguity and the interpretation of the reader. In fact, just plug this in asis into several different models of calculator, and chances are good you'll get both 2 and 288. Some calculators will prioritize Mult over Div, and visversa.
Moral is, if you see this on a quiz/test, do it both ways and then write a paragraph telling the teacher why the problem sucks. P.S.: Look this up on knowyourmeme. It's a known troll post. 
pretty much this. there seems to be two issues most people have when evaluating this perfectly valid expression. they are as follows: PEMDAS (or whatever other acronym used) which puts the M before the D and they take it literally as if one comes before the other. in this situation these people have failed middle school mathematics. and the second is the distributive property, these high school kids are attempting to apply the concept of expanding the 2(9+3) in 48/2(9+3) to 48/((2*9) + (2*3)). in this case, these people have failed at high school mathematics and do not understand the rules that govern the distributive property. these are pretty much the only ways that someone cannot get the completely correct answer of 288 to this perfectly valid expression 

288. No just no. 48/ 2(9+3)  > 48 / ( 2 * (9+3)) 48 divided by 2 times the sum of 9 plus 3. You need to know the value of 2 times 9+3 before you can do the division due to the order of operations. Had the equation been written 48/2*(9+3) you would have an argument however with the 2(9+3) it implies that you have (2*(9+3)). Case closed, answer is 2. 
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