The Great Percentage Switcheroo

The Great Percentage Switcheroo
math-memes, percentages-memes, mental-math-memes, mathematics-memes, commutative-property-memes | ScienceHumor.io

The mathematical mind-explosion moment! When you realize that calculating 4% of 75 (which seems tricky) is exactly the same as calculating 75% of 4 (which is trivial). This commutative property of percentages is one of those elegant mathematical tricks that feels like discovering fire. Your brain goes from "I need a calculator" to "Wait, that's just 3" in a split second. Mathematicians call this the multiplicative property, but normal humans call it "why didn't they teach us this in school instead of making us suffer?!"

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