Question

What is the 80/20 rule?

Answer 1

Answer: The Pareto principle states that, for many events, roughly 80% of the effects come from 20% of the causes.

hope this is what you meant! hope it helps as well. :)

Explanation:

Answer 2

Answer:

It is actually called the Pareto's Principle.

Explanation:

It is a graph that states that many events, mostly at 80%  of the effects come from 20% of the cause.