155 € minus 25%

1.)    $${\mathtt{155}}{\mathtt{\,-\,}}{\mathtt{25}}\% = {\frac{{\mathtt{465}}}{{\mathtt{4}}}} = {\mathtt{116.25}}$$

2.)   100%-25% = 75% = 75/100 = 0.75

        $${\mathtt{155}}{\mathtt{\,\times\,}}{\mathtt{0.75}} = {\frac{{\mathtt{465}}}{{\mathtt{4}}}} = {\mathtt{116.25}}$$

Antwort:  155 € - 25 % = 116,25 €

Gruß radix !

155-(155*0,25) = 116,25