What is the '80/20' rule?

The Pareto Principle shows that 80% of your results come from 20% of your causes. If you record why you’re late somewhere, 20% of your reasons cause 80% of the times you are late. Focusing on fixing these “vital few” causes means you’ll arrive on time 4 times out of 5.

Source: 7 Incredible Techniques to Easily Solve the Root of Any Problem @ Lifehack

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