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Prozentrechnen

Arten

\( 1\% = \frac{1}{100} = \text{0,01} \text{ (Prozent)} \)
\( 1 ‰ = \frac{1}{1000} = \text{0,001} \text{ (Promille)}\)
\( 1\text{ppm} = \frac{1}{1000000} = \text{0,0000001} \text{ (parts per million)}\)

Bestandteile

\( A = \dfrac{G \cdot p}{100} \)

\( p = \dfrac{A \cdot 100}{G} \)

\( G = \dfrac{A}{p : 100} \)

\( p … \text{Prozentsatz/Promillewert} \)
\( G … \text{Grundwert} \)
\( A … \text{Anteil} \)