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Started By
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Posted on 9/5/17 at 9:03 am to LSUBoo
quote:
Both times it came back as 9.
What a shocking outcome
Posted on 9/5/17 at 9:03 am to LNCHBOX
wait I thought you were arguing for 1?
Posted on 9/5/17 at 9:04 am to LNCHBOX
So, why have the spaces?
9-3/1/3+1
9-3/1/3+1
This post was edited on 9/5/17 at 9:05 am
Posted on 9/5/17 at 9:04 am to DirtyMikeandtheBoys
No. Only for the 3/1/3 part of it.
I actually know math
I actually know math
Posted on 9/5/17 at 9:05 am to Scruffy
I don't think there is any such thing as spaces in mathematics?
Posted on 9/5/17 at 9:05 am to Scruffy
The space is irrelevant.
Posted on 9/5/17 at 9:05 am to LNCHBOX
we agreed on something? 
Posted on 9/5/17 at 9:05 am to Scruffy
quote:
So, why have the spaces?
To trick people.
That's the only reason.
9 - 3 / 1 / 3 + 1 = 9-3/1/3+1
Posted on 9/5/17 at 9:05 am to LNCHBOX
they don't understand that in mathematics there is no such thing as a "space"
Posted on 9/5/17 at 9:05 am to DirtyMikeandtheBoys
Every once in a while
Posted on 9/5/17 at 9:06 am to Spirit of Dunson
Please excuse my dear aunt Sha'queera
Posted on 9/5/17 at 9:06 am to DirtyMikeandtheBoys
quote:I'm not disagreeing.
I don't think there is any such thing as spaces in mathematics?
It is the reason a lot of people are confused though.
I already got the answer of 1.
Posted on 9/5/17 at 9:10 am to Placebeaux
As Jack Benny told a fella when asked a question - well, that's so easy I'm going to let Rochester answer that question.
Posted on 9/5/17 at 9:11 am to Placebeaux
quote:
9-3 / 1/3 + 1 =
Why would you write a math problem like this?
Posted on 9/5/17 at 9:12 am to LSUBoo
quote:Yes, agreed.
9 - 3 / 1 / 3 + 1 = 9-3/1/3+1
My point is, and why people have issues when math problems are posted on here to purposefully confuse, that there is an apparent attempt to separate functions or sections of the problem.
Hell, the way it looks in the OP:
9-3 / 1/3 + 1
The spaces make it seem as if the problem is supposed to be (9-3)/(1/3) + 1 as well.
Use a standard format if you are going to write a problem on the internet.
Posted on 9/5/17 at 9:18 am to Scruffy
The OT
This post was edited on 9/5/17 at 9:21 am
Posted on 9/5/17 at 9:19 am to Placebeaux
quote:
9-3 / 1/3 + 1 =
Assuming you're not trying to be cute with spacing of some such nonsense, the order of operations states that you do as follows.
3 divided by 1 = 3
3 divided by 3 = 1
9 minus 1 = 8
8 plus 1 = 9
Posted on 9/5/17 at 9:28 am to klrstix
quote:
By adding the parenthesis you changed the problem... which changed the outcome
True.
quote:
As it is originally written, you subract the 3 from 9 before you divide by 1/3rd
False. Adding the parenthesis does change the equation, but in this instance you still come up with one of the right answers.
I think that the answer is 1 & 9
Think of the equation as 9 - 3 / 1/3 + 1 = X
Then solve for X. There's more than one way to solve for X (I came up with 3 different ways but there may be more). However, no matter the method, the answer is always X = 1, 9
So, X could be 1 or 9.
The simplest way to do it IMO is:
9 - 3 / 1/3 + 1 = X
(subtract 9 and subtract 1 from each side)
-10 + 9 - 3 / 1/3 + 1 = X - 10
-3 / 1/3 = X - 10
Now solve for X. The problem doesn't specify clearly if it's -3/(1/3) or just 3/1/3, so if you do it the different ways:
-3/(1/3) = X - 10
(-3 divided by 1/3 = -9)
-9 = X - 10
1 = X
OR
-3/1/3 = X - 10
(divide -3/1 = 3 then -3/3 = -1)
-1 = X - 10
(add 10 to both sides)
10 - 1 = X - 10 + 10
9 = X
So, I think it's X = 1, 9
ETA: I agree with others that the problem is written and spaced purposely in a way to make it ambiguous whether you're truly looking at THREE divided by ONE-THIRD or if you're looking at THREE divided by ONE divided by THREE.
This post was edited on 9/5/17 at 9:31 am
Posted on 9/5/17 at 9:29 am to LordSaintly
The answer is 9, not 1.
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