IPOTEZA: Ms1=200g
C1=10%
Ms2=300g
C2=30%.
CONCLUZIE:Cfinal=?
DEMONSTRATIE:
REGULI DE CALCUL:
Cfinal=Mdfinal x 100
Msfinal
Msfinal=Ms1+Ms2
Mdfinal=Md1+Md2
CALCULELE:
Msfinal=200g+300g=500g
Md1=10x200=20g
100
Md2=300x30=90g
100
Mdfinal=20g+90g=110g
Cfinal=110x100=22%
500