Response to The ambigity of "dilution 1:3"

It has never been ambiguous. : refers to a ratio. Not necassarily a percentage. For every x: part in the final formula there are :x parts for it to be added to. And a ratio in the spoken language is pronounced- to. So 1:3 is pronounced and meant to be 1 part of something added "to" 3 parts of something else. It turns out to be a 25% dilution but that is secondary to what the ratio is. Not ambiguous at all. Pretty simple. James

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