1) 15g*100%/515g=2,91%
2) 15g----100g r-ru
x------------200g
x=30g
40g----100g r-ru
x------500g
x=200g
ms=200g+30g=230g
mr=200g+500g=700g
cp=230*100%/700=32,86%
3)
20g----100g r-ru
x------300g
x=60g
ms=60+20=80g
mr=20+300=320g
Cp=80*100%/320=25%
4)
a) kolejno: 3, 2, 1, 6
b) 1,2,1,2
c)1,3,1,3
d)1,3,1,6
e) 3,1,1
