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Berechnung mit Hilfe der Schlussrechnung Rabattaktion
`100 text(%) hat = 58 text(€)` `1 text(%) hat = (58 text(€))/100` `80 text(%) hat = (58 text(€))/100*80/1` `(58 text(€))/100*80/1 = (58 text(€))/5*4/1 = 46,4 text(€)`
`1 text(%) hat = 64/80 text(€)` `100 text(%) hat = 64/80*100/1 text(€)` `64/80*100/1 text(€) = 64/8*10/1 text(€) = 80 text(€)` |