Răspuns:
Explicație:
ms1=400g
c1=205
ms2=300g
c2=40%
mapa=300g
cfinal
-se afla md1 si md2
md1= c1.ms1 :100
md1=20 . 400: 100=80g
md2=c2.ms2 :100
md2=40. 300 : 100=120g
-se afla md total
mdt=md1 + md2
mdt=80 +120=200g
-se afla ms total
mst=400 +300 + 300g apa=1000g
-se afla cf
cf=200 .100 : 1000=20%