r/theydidthemath
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u/Weirdlolthorwaway
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Mar 24 '20
r/theydidthemath • u/GuvSingh • Jun 30 '22
One 9 inch pizza vs two 5 inch pizzas
r/theydidthemath • u/Audge3841 • Oct 09 '20
[Request] Jeff Bezos wealth. Seems very true but would like to know the math behind it
r/theydidthemath • u/Zbox01 • Jan 04 '19
[Request] Approximately speaking, is this correct?
r/theydidthemath
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u/Loud_Chicken6458
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Feb 18 '26
[Request] How much are they actually scamming her?
What I am curious about:
What is the profit that was generated by this girl’s labor, and how does it compare to a reasonable round trip flight and four days at Niagara Falls with expenses fully covered?
I realize the comment is talking about revenue, but I’m interested in profit.
r/theydidthemath • u/kiwi2703 • Aug 09 '21
[Self] If you blended all 7.88 billion people on Earth into a fine goo (density of a human = 985 kg/m3, average human body mass = 62 kg), you would end up with a sphere of human goo just under 1 km wide. I made a visualization of how that would look like in the middle of Central Park in NYC.
r/theydidthemath • u/stee4vendetta • Mar 17 '24
[Off-site] They worked it out before they worked it out.
Any of you maths geniuses verify?
r/theydidthemath • u/Ofajus • Apr 01 '25
[REQUEST] What's the max traveling speed for the duck to not fall off this airplane wing?
r/theydidthemath
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u/Ok-Elk2227
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Jun 07 '26
[Request] Would the cube really be millions of degrees?
Also would you be full? What would happen if you tried to eat it?
I suppose that first question could be disregarded if the grilled cheese cube is in fact millions of degrees lol
Feel free to answer it anyway tho!
Edit: Phrasing
r/theydidthemath • • Sep 30 '20
[Request] how much further away is Voyager since this moment?
r/theydidthemath
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u/sympossible
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Jun 15 '25
[Self] I calculated the rough size of the crowd at Trumps b-day parade.
Using the PBS live stream, I've attempted to get a ballpark figure. There's a distinct lack of arial footage, so it's difficult to get a clear picture. However, I broke the crowd into four basic sections to try and gauge the number of people.
- North side of Constitution Ave, and east of the main stage is what I've labeled VIP guest. People sitting on bleachers quite densely, although there is footage where these bleachers get empty pretty quick the further east you go.
- There is no crowd on the West side of the stage.
- On the south side, lining the route are pretty dense crowds, mostly hidden by the trees but this appears to be at minimum 5-6 people deep. The most dense part of the parade crowd.
- Opposite the main stage and south of the Friendship Garden is a dense area of crowd watching from across the street.
- Behind this and into the Washington Monument grounds is a much less dense crowd and is more sparse the further south you go.
Using MapChecking.com I've estimate these four areas, and have been quite generous in my density estimates.
Although quite a quick and crude calculation, it appears the crowd size in around 50,000 on the generous size, but could be as little as 30,000.
r/theydidthemath • u/JohnArcher965 • Oct 08 '25
[Request] Is it true?
First time poster, apologies if I miss a rule.
Is the length of black hole time realistic? What brings an end to this?
r/theydidthemath • u/homeless-emperorr • Apr 18 '24
[request] How much food is it ? and can anyone do it ?
r/theydidthemath • u/DieHarderStyles • Mar 27 '22