o ile procent wzrosła cena towaru
z 80 zł na 97.6
pilne.
80=100%
97,6= x%
.............
x=97,6×100:80=122%
122%-100%= wzrosła o 22%
97.6-80=17.6
17.6/80*100%=22%
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80=100%
97,6= x%
.............
x=97,6×100:80=122%
122%-100%= wzrosła o 22%
97.6-80=17.6
17.6/80*100%=22%