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"That is brilliant." Learn the maths hack from Rob Eastaway that blew the minds of Chris Mason and Tim Harford

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BBC More or Less

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13,389 Aufrufe • vor 1 Jahr •via X (Twitter)

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Profilbild von Sandy
Sandyvor 1 Jahr

@Drew_Hyndman @robeastaway @ChrisMasonBBC @TimHarford Kev says: Wow. Why didn't they teach this when I was doing 'O' level maths, way back in the last century?

Profilbild von John Appleby
John Applebyvor 1 Jahr

@robeastaway @ChrisMasonBBC @TimHarford The easiest way to understand percentages is by setting a scale of the numbers you're using against a scale of 0-100. It makes clear that we're talking about 'what fraction of 100' or 'what fraction of our total number'. See the attached range of typical examples:

Profilbild von stephens
stephensvor 1 Jahr

@robeastaway @ChrisMasonBBC @TimHarford Complimentary ?

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Claire Gibbsvor 1 Jahr

@robeastaway @ChrisMasonBBC @TimHarford @robeastaway is a brilliant speaker

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Alisonbrcvor 1 Jahr

@robeastaway @ChrisMasonBBC @TimHarford Today's programme blew my non-mathematical mind twice, with the Rule of 72 and reversible percentages. More power to the More or Less elbow!

Profilbild von Professor Smudge
Professor Smudgevor 1 Jahr

@robeastaway @ChrisMasonBBC @TimHarford Mason's feat (re 41 votes) was impressive, and it felt like we were in for an interesting conversation about informal maths under pressure, but instead we got this bit of maths posturing.

Profilbild von Big-Endian
Big-Endianvor 1 Jahr

@robeastaway @ChrisMasonBBC @TimHarford Time to start reporting on this, BBC

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