proszę o pomoc DAJE NAJ!!!

Dane:
mr1=50 g
Cp1=1%
mr2=50 g
Cp2=3%
mr3=50g+50g=100g
Szukane:
ms1=?
ms2=?
ms3=?
Cp3=?
ms1=Cp1*mr1/100%
ms2=Cp2*mr2/100%
ms3=ms1+ms2
Cp3=ms3*100%/mr3
Obliczenia:
ms1=1%*50g/100%
ms1=0,5 g
ms2=3%*50g/100%
ms2=1,5 g
ms3=0,5g+1,5g
ms3=2 g
Cp3=2g*100%/100g
Cp3=2%