witam prosze zrobić zadanie 12. ma wyjść 1,5cm3
0.3 promila = 0,03%
5 dm3= 5000 cm3
5000cm3 - 100%
x - 0.03%
100x= 5000 * 0,03
100x= 150
x=1.5 cm3
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0.3 promila = 0,03%
5 dm3= 5000 cm3
5000cm3 - 100%
x - 0.03%
100x= 5000 * 0,03
100x= 150
x=1.5 cm3