A maths expert has shared a fraction trick which 99 per cent of people do not know - and it is guaranteed to make your life easier. @PinkPencilMath, a mechanical engineer, explains it best in her ...
A mechanical engineer who goes by the username of @PinkPencilMath on TikTok has shared a nifty way to change the way you work out percentages. The video claims that 99 per cent of people aren't aware ...
To multiply two numbers with the same unit places, such as 97 and 98, one can write it as (100-3) x (100-2). Next, add the two numbers 3 and 2 together, which gives 5. Subtract 5 from 100 (as it falls ...
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