Odpowiedzi

2009-11-24T15:14:52+01:00
460 lizakow * 20 gr. = 9200 gr. = 92 zl

92 zl - 100%
x - 5 %

x= 5*92/100 = 4,6 zl

92 zl - 4,6 zl = 87,4 zl
2009-11-24T15:15:38+01:00
460 * 20 gr = 92 zł
5% z 92 = 4,6
92 - 4,6 = 87,4