Bardzo Ważne!!
Zadanie 7,8,9,10
zad.7
54%*10=0,54*10=5,4
Zad. 8
i traz z proporcji
30% - 9,6
100% - x
zad.9
100% - 10
x - 0,4
10x=40
x=4%
zad. 10
120 - 100%
-108,75 - x
x=-90,625%
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zad.7
54%*10=0,54*10=5,4
Zad. 8
i traz z proporcji
30% - 9,6
100% - x
zad.9
100% - 10
x - 0,4
10x=40
x=4%
zad. 10
120 - 100%
-108,75 - x
x=-90,625%