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re: Solve this math problem

Posted on 9/5/17 at 9:33 am to
Posted by lsupride87
Member since Dec 2007
96812 posts
Posted on 9/5/17 at 9:33 am to
quote:

3 divided by 1/3 is not 1. 3 multiplied by 1/3 is 1. 3 divided by 1/3 is 9.

DO you even math baw?

And, I added the parentheses, to focus where the focus was needed. PEMDAS says that you take the division first, so the 3 divided by 1/3 is answered first. Yet, you have to invert the denominator and multiply by 3 to answer properly. Then 9-9+1 equals 1.
So dumb
Posted by Placebeaux
Bobby Fischer Fan Club President
Member since Jun 2008
51852 posts
Posted on 9/5/17 at 9:34 am to
So we have a team 9 and a team 1

LOL
Posted by LSUBoo
Knoxville, TN
Member since Mar 2006
101940 posts
Posted on 9/5/17 at 9:35 am to
quote:

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:


There are no parentheses in the problem, you can't just insert your own to fit your own narrative.
Posted by lsupride87
Member since Dec 2007
96812 posts
Posted on 9/5/17 at 9:36 am to
quote:

So we have a team 9 and a team 1
It is team right and team wrong.

the answer is 100% 9. There is no interpretation needed
Posted by slackster
Houston
Member since Mar 2009
85496 posts
Posted on 9/5/17 at 9:36 am to
quote:


No one but lunch boy knows. It's a shittily written problem


Everyone says this kind of thing, but there is only one correct way to interpret the problem in the OP.

Granted, he could have meant something else, but what he wrote solves as 9. If he meant something else, then he wrote it wrong.
Posted by slackster
Houston
Member since Mar 2009
85496 posts
Posted on 9/5/17 at 9:37 am to
quote:

Placebeaux


Do you have a picture of the problem?
Posted by Spock's Eyebrow
Member since May 2012
12300 posts
Posted on 9/5/17 at 9:40 am to
quote:

9-3 / 1/3 + 1 =


Oh look, a problem to test whether people think whitespace is significant. 1000 pages.
Posted by Tigereye10005
New York, NY
Member since Sep 2016
1592 posts
Posted on 9/5/17 at 9:42 am to
quote:

There are no parentheses in the problem, you can't just insert your own to fit your own narrative.


Ok, well that's the only way to write a fraction that I can figure out and I don't have the other divide sign on my keyboard, so I put the parenthesis to show that it's the fraction ONE-THIRD. If you can't understand that then sorry.

I could have written it to say

The problem doesn't specify clearly if it's -3 divided by ONE-THIRD or if it's just -3/1/3.

I added the parenthesis to make it read easier and I assumed y'all could figure that out. I guess not.
Posted by Scruffy
Kansas City
Member since Jul 2011
72422 posts
Posted on 9/5/17 at 9:45 am to
quote:



There are no parentheses in the problem, you can't just insert your own to fit your own narrative.
There are no parentheses in this problem either:

9-3
------
1/3
Posted by slackster
Houston
Member since Mar 2009
85496 posts
Posted on 9/5/17 at 9:46 am to
quote:

The problem doesn't specify clearly if it's -3 divided by ONE-THIRD or if it's just -3/1/3.


The way it is written in the OP, it is clearly 3/1/3. Now, I suspect the OP meant 3/(1/3), but didn't know how to write it, but solving it the way it is written yields only one answer.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 9/5/17 at 9:47 am to
When solved as written the answer is 9.

If that is not the answer you wanting, than you should learn how to correctly write mathematical expressions. I fricking hate these threads.
Posted by Tigereye10005
New York, NY
Member since Sep 2016
1592 posts
Posted on 9/5/17 at 9:48 am to
quote:


9-3
------
1/3



THANK YOU. I couldn't figure out the best way to format it on my computer to look like that, so that's why I added the parentheses in my explanation
Posted by CocomoLSU
Inside your dome.
Member since Feb 2004
151118 posts
Posted on 9/5/17 at 9:48 am to
Have these been discussed:



Dogs and cats living together. Mass hysteria!
Posted by lsupride87
Member since Dec 2007
96812 posts
Posted on 9/5/17 at 9:48 am to
quote:

Ok, well that's the only way to write a fraction that I can figure out and I don't have the other divide sign on my keyboard, so I put the parenthesis to show that it's the fraction ONE-THIRD. If you can't understand that then sorry.
So in other words, you decided to completely change the written equation
Posted by Scruffy
Kansas City
Member since Jul 2011
72422 posts
Posted on 9/5/17 at 9:50 am to
And Cocomo wins.

The equation is not properly formatted and was purposefully written to confuse.

These threads are stupid.
Posted by Geecubed
The Eventual St. George
Member since Apr 2011
425 posts
Posted on 9/5/17 at 9:51 am to
Not dumb in the least. With the space OP added, I took that as being three divided by one third, which is much different than 3 divided by 1 divided by three.

One would figure each equation MUCH differently.
Posted by lsupride87
Member since Dec 2007
96812 posts
Posted on 9/5/17 at 9:51 am to
quote:

The equation is not properly formatted
Yes it is scruff
Posted by lsupride87
Member since Dec 2007
96812 posts
Posted on 9/5/17 at 9:52 am to
quote:

Not dumb in the least. With the space OP added, I took that as being three divided by one third, which is much different than 3 divided by 1 divided by three.
White space means nothing in the math world. It just doesnt




9+4/2/2=10

9+4 / 2/2=10
This post was edited on 9/5/17 at 9:55 am
Posted by slackster
Houston
Member since Mar 2009
85496 posts
Posted on 9/5/17 at 9:52 am to
quote:

The equation is not properly formatted and was purposefully written to confuse.


I don't believe the OP purposefully did anything. I think he just doesn't understand how to write the problem he's seeing in a book.
Posted by CocomoLSU
Inside your dome.
Member since Feb 2004
151118 posts
Posted on 9/5/17 at 9:56 am to
quote:

White space means nothing in the math world. It just doesnt


It does when you are typing something out on a keyboard and aren't sure how to write it though. I realize what you guys are saying, but simple logic tells you that the space between the 3 and the 1/3 should mean something. It is completely logical to assume it was written to differentiate those two numbers (as opposed to just 3/1/3 written together).
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