The 'fascinating little hack' involves flipping the numbers around to make things easier - and is described as 'life changing'.
Figuring out percentages can be a nightmare - especially if you haven't got a calculator to hand.
But now, a maths whizz has blown people's minds on Twitter after sharing a simple way of working out complicated sums.For example, if you need to work out 18% of 50, swap them and go for the easier option of 50% of 18 instead. The answer for both is nine.Fascinating little life hack, for doing percentages:So, for example, if you needed to work out 4% of 75 in your head, just flip it and and do 75% of 4, which is easier.
Some of his followers have described the trick as"life changing", with one writing:"Not sure whether I should be happy or embarrassed. Maybe both."As someone who Quite Likes Maths I cannot believe I hadn’t realised this until the age of 47.
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