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0.3% - 12
100% - x
x=100*12/0.3=4000
0,3 % x = 0, 003 x = 12
100% x = ?
x = (100 * 12 )/ 0,003
x = 1200 / 0.003
x = 400000
Odp: Ta liczba to 400000.
x = 12 : 0,3
x = 40
Odp. X wynosi 40.