Odpowiedź:
550*1,2 = 660 g
660 g ---> 100%
40 g -----> x %
x = (40*100)/660 = 4000/660 = 6,1%
Wyjaśnienie:
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Odpowiedź:
550*1,2 = 660 g
660 g ---> 100%
40 g -----> x %
x = (40*100)/660 = 4000/660 = 6,1%
Wyjaśnienie: