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re: Solve this math problem
Posted on 9/5/17 at 12:30 pm to lsupride87
Posted on 9/5/17 at 12:30 pm to lsupride87
Explain.
It's an operation in a sense that it is a fraction but the problem already establishes an actual division sign. Therefore 1/3 is actually .33333
It's an operation in a sense that it is a fraction but the problem already establishes an actual division sign. Therefore 1/3 is actually .33333
Posted on 9/5/17 at 12:33 pm to Rhames
quote:We can only determine it's (1/3) from the picture, which was provided 6 hours after the original problem. The way the OP has written the problem, even after showing the picture, would still result in 9.
It's an operation in a sense that it is a fraction but the problem already establishes an actual division sign. Therefore 1/3 is actually .33333
Posted on 9/5/17 at 12:33 pm to buckeye_vol
quote:
Sure. But given that the OP's original answer was 7, then we couldn't even infer that it was a syntax issue.
I just took it that OP had multiple issues.

He thought that addition came before subtraction. Maybe PEMDAS should be PE(MD)(AS).
Posted on 9/5/17 at 12:33 pm to LNCHBOX
Damn this thread is still going on hahaha
Posted on 9/5/17 at 12:33 pm to Rhames
quote:1/3 is 1 divided by 3. In this problem however, without (), the 3 divided by 1 comes first
It's an operation in a sense that it is a fraction but the problem already establishes an actual division sign. Therefore 1/3 is actually .33333
Posted on 9/5/17 at 12:34 pm to Rhames
9. But that's not the same thing.
Posted on 9/5/17 at 12:34 pm to buckeye_vol
quote:
We can only determine it's (1/3) from the picture, which was provided 6 hours after the original problem. The way the OP has written the problem, even after showing the picture, would still result in 9.
Ok but it's still one haha
Posted on 9/5/17 at 12:35 pm to lsupride87
quote:
Posted on 9/5/17 at 12:33 pm to Rhames
quote:
It's an operation in a sense that it is a fraction but the problem already establishes an actual division sign. Therefore 1/3 is actually .33333
1/3 is 1 divided by 3. In this problem however, without (), the 3 divided by 1 comes firs
You can't have 2 different division signs. 1/3 =.3333 in the problem.
Posted on 9/5/17 at 12:36 pm to Rhames
quote:No. This:
Ok but it's still one haha
quote:Is 9.
9-3÷1/3+1=
This:
quote:Is 1.
9-3÷(1/3)+1=
This post was edited on 9/5/17 at 12:36 pm
Posted on 9/5/17 at 12:38 pm to Rhames
quote:
You can't have 2 different division signs. 1/3 =.3333 in the problem.

Posted on 9/5/17 at 12:51 pm to Peazey
quote:
The problem is set up in a way to be intentionally ambiguous. All of these viral math problems are set up like this. It is not in any way a test of math skill or understanding. It is a test of arbitrary math notation that in no way tests understanding of mathematical function. Saying otherwise is just trying to find a way to assert superiority in a very pathetic way. But what else is there to expect from here.
Signed,
People who get the wrong answer.
Posted on 9/5/17 at 12:57 pm to buckeye_vol
quote:
We can only determine it's (1/3) from the picture, which was provided 6 hours after the original problem. The way the OP has written the problem, even after showing the picture, would still result in 9.
You can find comfort in knowing the 40% of Japanese 20 year olds got it wrong as well.
Posted on 9/5/17 at 12:59 pm to Placebeaux
quote:If they said 9 to your written problem, they were actually correct
You can find comfort in knowing the 40% of Japanese 20 year olds got it wrong as well.
Posted on 9/5/17 at 1:00 pm to buckeye_vol
quote:
No. This:
quote:
9-3÷1/3+1=
Is 9.
This:
quote:
9-3÷(1/3)+1=
Is 1.
The most common mistake is writing the 1/3 as:
9 – 3 ÷ 1/3 + 1
Most calculators will not group the 1/3, so the calculator evaluates:
9 – 3/1/3 + 1
= 9 – 3/3 + 1
= 9 – 1 + 1
= 9
The correct answer is found by grouping 1/3 with parentheses and following the order of operations, with division taking precedence.
9 – 3 ÷ (1/3) + 1
= 9 – 9 + 1
= 0 + 1
= 1
The correct answer is 1.
My question is why you nerds using a calculator?
Posted on 9/5/17 at 1:00 pm to Placebeaux
quote:Because the calculator is right and doesnt change the problem
The most common mistake is writing the 1/3 as:
9 – 3 ÷ 1/3 + 1
Most calculators will not group the 1/3, so the calculator evaluates:
9 – 3/1/3 + 1
= 9 – 3/3 + 1
= 9 – 1 + 1
= 9

Posted on 9/5/17 at 1:02 pm to Placebeaux
quote:So you change the problem, got it
The correct answer is found by grouping 1/3 with parentheses
What color is the sky?
Computers incorrectly groups the question as , "what color is the sky, and gives the answer blue.
To find the answer, you must first correctly change the question to what color is grass. Then, you get the correct answer of green

Posted on 9/5/17 at 1:06 pm to lsupride87
quote:Again, when transcribing the original problem onto this message board, parentheses must be added in order to avoid changing the problem.quote:So you change the problem, got it
The correct answer is found by grouping 1/3 with parentheses
Posted on 9/5/17 at 1:06 pm to Placebeaux
quote:It's not just an issue specific to calculators; it's a broader issue of syntax the requires specific logical operators for everything (e.g., ^ for exponent), which is the case in operations written on here.
Most calculators will not group the 1/3, so the calculator evaluates:
quote:Which you did not do.
The correct answer is found by grouping 1/3 with parentheses and following the order of operations, with division taking precedence.
quote:One doesn't need to calculator to evaluate an expression that requires the same syntax as a calculator.
My question is why you nerds using a calculator?
In other words, you wrote the problem incorrectly.
This post was edited on 9/5/17 at 1:11 pm
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