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Hi everyone, Are there any tips for calculating pourcentages??
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Hi
I always use a very simple method.
Take 10% as your anchor, if needed 1% as second anchor
I give you a couple of examples
- 157/533 then you calculate the 10% of 533=53. Then from 53 to 157 you aprox multiply by 3 -> then 30%
- 12/327 then you calculate the 10% of 327=33. But 33 higher than 12, so I take the second anchor (1%) 1% is 3.3. Now to get from 3.3 to 12 I multiply by a bit less than 4. So the percentage should be around 3.5%
Practice and it becomes easy!!
Cheers
Carlos
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Hi,
I have some students who struggle with this, usualy it is because they need help visualising the question. I like to bring money into examples (they become more real).
Think of $100 as 100% of your savings. Your friend is asking you for 50% or half = so 100/50=2, that means you need to divide $100/2 to get 50%.
If your friend is less greedy and only wants 10%, same principle = 100/10=10; $100/10 =$10 dollars. I draw a little matrix when I do calcs with that same formula and try to visualise, what are they asking from me, what am I calculating etc.
If you can visualise the problem, it becomes less complex.
Hope this helps.
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Former McK Associate Partner / Interviewed 200+ candidates at McK / Specialist McK interviews
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Such a trick! Gosh. Gracias Carlos
(editiert)
WOW greaaat tip !! Curious to know if you have other tips for multiplication or division ? This is really helpful