# percentages

**URL:** <https://boards.straightdope.com/t/percentages/602511>\
**Category:** Factual Questions\
**Created:** [November 10, 2011, 3:18pm UTC](https://boards.straightdope.com/t/percentages/602511 "2011-11-10T15:18:44Z")\
**Posts on this page:** 10\
**Page:** 1

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**Author:** ![BigBertha](https://avatars.discourse-cdn.com/v4/letter/b/d78d45/32.png) [@BigBertha](https://boards.straightdope.com/u/BigBertha)\
**Post date:** [November 10, 2011, 3:18pm UTC](https://boards.straightdope.com/t/percentages/602511/1 "2011-11-10T15:18:44Z")

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Forgive me, its been a while since I was in school and needed to work out percentages.  
There was a political race, 3 candidates. One got 908, one got 746, the other 234. What percentage did each get?

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**Author:** ![engineer\_comp\_geek](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/engineer_comp_geek/32/504_2.png) [@engineer\_comp\_geek](https://boards.straightdope.com/u/engineer_comp_geek)\
**Post date:** [November 10, 2011, 3:35pm UTC](https://boards.straightdope.com/t/percentages/602511/2 "2011-11-10T15:35:22Z")

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percent = candidates votes / total votes x 100

Total votes = 908 + 746 + 234 = 1888

Candidate 1: 908/1888 x 100 = 48%  
Candidate 2: 746/1888 x 100 = 40%  
Candidate 3: 234/1888 x 100 = 12%

(Note - I rounded all of the numbers to the nearest percent)

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**Author:** ![Cartoonacy](https://avatars.discourse-cdn.com/v4/letter/c/848f3c/32.png) [@Cartoonacy](https://boards.straightdope.com/u/Cartoonacy)\
**Post date:** [November 10, 2011, 3:38pm UTC](https://boards.straightdope.com/t/percentages/602511/3 "2011-11-10T15:38:56Z")

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908 + 746 + 234 = 1888

Each candidate’s percentage is the number of votes they got, divided by the total, times 100.  
For instance, candidate #1’s percentage is (908/1888)\*100

Just in case this is a homework problem, I’ll leave the final steps to you.

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**Author:** ![BigBertha](https://avatars.discourse-cdn.com/v4/letter/b/d78d45/32.png) [@BigBertha](https://boards.straightdope.com/u/BigBertha)\
**Post date:** [November 10, 2011, 3:41pm UTC](https://boards.straightdope.com/t/percentages/602511/4 "2011-11-10T15:41:04Z")

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thanks. Not homework, I wanted to know what percentage I got (12). Thanks for telling me how to figure it in the future.

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**Author:** ![John\_Mace](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/john_mace/32/185_2.png) [@John\_Mace](https://boards.straightdope.com/u/John_Mace)\
**Post date:** [November 10, 2011, 3:43pm UTC](https://boards.straightdope.com/t/percentages/602511/5 "2011-11-10T15:43:02Z")

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> [@engineer\_comp\_geek](#):
>
> percent = candidates votes / total votes x 100
> 
> Total votes = 908 + 746 + 234 = 1888
> 
> Candidate 1: 908/1888 x 100 = 48%  
> Candidate 2: 746/1888 x 100 = 40%  
> Candidate 3: 234/1888 x 100 = 12%
> 
> (Note - I rounded all of the numbers to the nearest percent)

In the fine tradition of SDMP nit picking…

Candidate 1: (908/1888) x 100 = 48%  
Candidate 2: (746/1888) x 100 = 40%  
Candidate 3: (234/1888) x 100 = 12%

🙂

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**Author:** ![Mangetout](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/mangetout/32/19_2.png) [@Mangetout](https://boards.straightdope.com/u/Mangetout)\
**Post date:** [November 10, 2011, 4:14pm UTC](https://boards.straightdope.com/t/percentages/602511/6 "2011-11-10T16:14:44Z")

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More nitpickery. It’s not uncommon for a table of rounded percentages like this to fail to add up to 100% (for example if three candidates all got exactly one third of the total). It’s better to add a comment to this effect than to coerce the rounding.

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**Author:** ![Suburban\_Plankton](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/suburban_plankton/32/219_2.png) [@Suburban\_Plankton](https://boards.straightdope.com/u/Suburban_Plankton)\
**Post date:** [November 10, 2011, 6:14pm UTC](https://boards.straightdope.com/t/percentages/602511/7 "2011-11-10T18:14:53Z")

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> [@John\_Mace](#):
>
> In the fine tradition of SDMP nit picking…
> 
> Candidate 1: (908/1888) x 100 = 48%  
> Candidate 2: (746/1888) x 100 = 40%  
> Candidate 3: (234/1888) x 100 = 12%
> 
> 🙂

Technically, A / B x C is equivalent to (A / B) x C, since the order of operations goes left-to-right in this case. But the ‘unnecessary’ parentheses are still a good idea in order to provide clarity.

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**Author:** ![Thudlow\_Boink](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/thudlow_boink/32/320_2.png) [@Thudlow\_Boink](https://boards.straightdope.com/u/Thudlow_Boink)\
**Post date:** [November 10, 2011, 6:59pm UTC](https://boards.straightdope.com/t/percentages/602511/8 "2011-11-10T18:59:22Z")

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> [@Suburban\_Plankton](#):
>
> Technically, A / B x C is equivalent to (A / B) x C, since the order of operations goes left-to-right in this case. But the ‘unnecessary’ parentheses are still a good idea in order to provide clarity.

I agree with both points, but issues like this have proved [surprisingly controversial](http://boards.straightdope.com/sdmb/showthread.php?t=606537). It is indeed better to err on the side of clarity.

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**Author:** ![Tim\_T-Bonham.net](https://avatars.discourse-cdn.com/v4/letter/t/46a35a/32.png) [@Tim\_T-Bonham.net](https://boards.straightdope.com/u/Tim_T-Bonham.net)\
**Post date:** [November 11, 2011, 7:00pm UTC](https://boards.straightdope.com/t/percentages/602511/9 "2011-11-11T19:00:37Z")

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> [@Thudlow\_Boink](#):
>
> I agree with both points, but issues like this have proved [surprisingly controversial](http://boards.straightdope.com/sdmb/showthread.php?t=606537).

BigBertha must have been controversial, too. 🙂

What did you do (or not do) to get 7 out of 8 voters to choose someone else?

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**Author:** ![BigT](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/bigt/32/12044_2.png) [@BigT](https://boards.straightdope.com/u/BigT)\
**Post date:** [November 12, 2011, 3:48pm UTC](https://boards.straightdope.com/t/percentages/602511/10 "2011-11-12T15:48:52Z")

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> [@t-bonham@scc.net](#):
>
> BigBertha must have been controversial, too. 🙂
> 
> What did you do (or not do) to get 7 out of 8 voters to choose someone else?

How do you know she did anything? Maybe they did something to get votes that she didn’t. If I remember correctly, this was **BB** ’s first attempt at this sort of thing.
