>Could anybody tell me what the term ”Rule of Three” covers?
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For instance :
(cost+margin)/quantity = unit price
>Could anybody tell me what the term ”Rule of Three” covers?
>
>
In French, "Règle de trois"
Example : 6 items cost $12 ; how much is it for 14 items ?
6x = 12
then x cost 1/6 of 12 and 14 14 times this amount