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This is something interesting. What is most interesting
Posted: Aug 16, 2012
is people are coming up with all kinds of different answers. Most of them are 2 and 288. What do you think the answer is: 48÷2(9+3) = ?
;
2 - my answer
[ In Reply To ..]nm
288 - Jewel
[ In Reply To ..]I just recently took a math course. If you follow the order of operations you get 288.
Yep. 288 is correct. I wonder how some got 2? - nm
[ In Reply To ..]n
gotta disagree here - Snow Bunny
[ In Reply To ..]You have to calculate the second part first. Formula: 48÷2(9+3)=
48 divided by 2 times 9+3
First you add 9+3 (12)
Multiply that by 2 = 24
Now you have 48 divided by 24 = 2
Unless what I was taught in elementary school was wrong.
Disagree all you want. 288 is correct. You are what - sm
[ In Reply To ..]Dr. Phil calls a right fighter. You just cannot admit when you are wrong.
it's not an admission of right or wrong - Snow Bunny
[ In Reply To ..]It's an issue of education, and what I was taught was the correct way to calculate the mathematic equation. What's lacking is a math symbol before the (. That said ...
And if you're a fan of Dr. Phil ...
I am no fan of Dr. Phil and the implied - math symbol is x or *
[ In Reply To ..]It doesn't matter whether or not you admit it, you are still wrong.
rolling eyes - Snow Bunny
[ In Reply To ..]Can't admit what I don't see (BTW, go to the end of all the posts for this subject and read the link I posted) ...
But what I will admit, 'cause I see it clearly, is that you need an attitude adjustment.
Still upset 'cause you didn't get to sit at the popular kid's table?
Not upset at all....I sat at the - smart kids' table.
[ In Reply To ..]I can Google, too. Way to pick out the one that sorta kinda says that you might be right. :)
Yes, 288. 48 db 2 = 24. 9+3=12. 12x24=288. nm - VTMT
[ In Reply To ..].
2 - sm
[ In Reply To ..]48÷2(9+3)
48 ÷ 2(9+3)
48 ÷ 2(12)
48 ÷ 24 = 2
Per algebra rules, you solve the parentheses side first. Parentheses equal multiplication, and since the 2 is still part of the parentheses after the 3 and the 9 are added, 2 and 12 must be multiplied BEFORE the divsion function is performed.
confusing, but I also get 288, if the directions are correct. - alias
[ In Reply To ..]nm
2 - sm
[ In Reply To ..]48÷2(9+3)
48 ÷ 2(9+3)
48 ÷ 2(12)
48 ÷ 24 = 2
order of functions:
(DO NOT DIVIDE 48 by 2 FIRST. 2 is part of the parentheses which is to be solved first)
first step: 9 + 3 = 12
second step: 2 x 12 = 24
third step: 48 ÷ 12 = 2
Ah yes. I see now. Forgot my algebra. nm - VTMT
[ In Reply To ..].
nope wrong - nm
[ In Reply To ..]n
2 is not part of the parentheses. You would only - Aced Calc III
[ In Reply To ..]solve that first if it was written:
48÷[2(9+3)]
This could just as easily be written:
48÷2 x (9+3)
and it would say the same thing.
Or you could change the ÷2 to x 1/2, which means - the same thing and work it either way.
[ In Reply To ..]You are assuming that 48 is over the entire equation 2(9+3) which is not what the original question actually says.
48 x 1/2 x (9+3)=
24 x 12 or 48 x 6, either way, it =288.
Wrong. You read left to right so 288 - nm
[ In Reply To ..]n
nope, you are wrong. parentheses first - A+ algebra girl
[ In Reply To ..]NM
The explanation for both - dmj
[ In Reply To ..]A nice explanation of how both might be derived is located here:
http://knowyourmeme.com/memes/48293
Thanks for posting. I was a "fun" mental challenge/diversion. :-)
YW:) - nm
[ In Reply To ..]n
PEMDAS - sm
[ In Reply To ..]2 is correct. Mathematical expressions are evaluated in a particular order, or PEMDAS for short
1. Parentheses
2. Exponents
3. Multiplication
4. Division
5. Addition
6. Subtraction
Therefore it would be evaluated in this order:
P: 9+3 = 12
M: 12*2 = 24
D: 48/24 = 2
The correct answer is 2. :)
No. Do you read right to left? No you read left to right - nm
[ In Reply To ..]n
No...not in mathematics you don't - sm
[ In Reply To ..]It is based on type of expression. Right to left / left to right doesn't matter except with regard to multiplication & division and then addition & subtraction.
(I was a math major. Care to try again?)
Here - check this out.
Yep. It is 288. Math major or not, you are wrong - sm
[ In Reply To ..]do YOU care to try again? LOL!! It specifies the correct answer is 288.
The best way to make sure - you get this right is to
[ In Reply To ..]replace the (9+3) with y, work it that way and then insert 9+3, so:
y=9+3
48/2(y)=24(y)
24(y)=24(9+3)
24(9+3)=24(12)
24(12)=288
you are incorrect - sm
[ In Reply To ..]Again, parentheses have to be solved first, and anything attached to the parentheses are included in its solution.
48 ÷ 2(9+3)
48 ÷ 2(y)
48 ÷ 2y
y = 9+3
y = 12
2y = 24
48 ÷ 24 = 2
Oh, my goodness, I needed this...had to test my co-workers - Angie
[ In Reply To ..]Correct answer is 2...asked a math "nerd" at work. PEMDAS is correct.
You guys are wrong. The answer is - 288
[ In Reply To ..]It is not 2, no matter how badly you and your coworkers would like it to be.
Exactly what I have been trying to say. They are - sm
[ In Reply To ..]definitely right fighters. They cannot stand to be wrong. Sad!!
You handle the term with parentheses first, which is 2(9+3) - or 24, and then divide 48 by that. Answer is 2.
[ In Reply To ..]x
I believe this covers things - Snow Bunny
[ In Reply To ..]http://knowyourmeme.com/memes/48293
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