A Different Sort of Arithmetic

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Discussion Overview

The discussion revolves around a peculiar arithmetic claim observed in a construction site, specifically the assertion that 7 multiplied by 13 equals 28, with a focus on the context of unit conversions and humorous interpretations of mathematics. Participants explore the implications of this claim and its relation to a viral video featuring "funny math." The scope includes conceptual clarification and humorous commentary.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant notes the intriguing arithmetic claim that 7 * 13 equals 28, suggesting it may involve unconventional interpretations of units.
  • Another participant points out that 7 * 13 feet is approximately 28 meters, which may provide context for the original claim.
  • Some participants reference a parody video related to "funny math," indicating that the arithmetic claim may not be taken seriously.
  • There is a repeated mention of the video link, suggesting that it has relevance to the discussion and may clarify the humorous nature of the arithmetic presented.

Areas of Agreement / Disagreement

Participants seem to agree that the arithmetic claim is humorous and likely a parody, but there is no consensus on the seriousness of the claim or its implications.

Contextual Notes

The discussion does not resolve the underlying assumptions about unit conversions or the validity of the arithmetic claim itself, leaving these aspects open to interpretation.

mbrmbrg
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There's construction going on in my university, and I found some fascinating figures written on one of the walls (presumably by the construction workers). It looked like someone had gone to a lot of trouble to prove that 7*13=28. Actually, assuming you can play mix 'n' match with units and tens, it's quite convincing! But it's driving me nuts. Can someone look at the attatched thumbnail and tell me what's really going on?

EDIT: the "figure 1" "figure 2" "figure 3" are my own additions.
 

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Mathematics news on Phys.org
7 * 13 feet is approximately 28 meters.

- Warren
 
This is a parody of a video circulating around the internet that involves some “funny math”:

http://video.google.com/videoplay?docid=4241480654150026320&q=funny+math&hl=en
 
Last edited by a moderator:
chroot said:
7 * 13 feet is approximately 28 meters.

- Warren

Thanks! (I will now be able to walk into the lobby without fearing for my life...)
 
3.14159 said:
This is a parody of a video circulating around the internet that involves some “funny math”:

http://video.google.com/videoplay?docid=4241480654150026320&q=funny+math&hl=en

Yeah, that's exactly what I thought had been done!
 
Last edited by a moderator:

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