ms1=200 g
c1=10%
ms2=400%
c2=20%
cf=?
[tex]\frac{c1}{100}= \frac{md1}{ms1}[/tex]
[tex]md1= \frac{c1*ms1}{100} [/tex]
md1=10*200/100=> md1=20g
[tex]\frac{c2}{100}= \frac{md2}{ms2}[/tex]
[tex]md2= \frac{c2*ms2}{100} [/tex]
md2=20*400/100=> md2=80 g
mdf=md1+md2= 20+80= 100 => mdf=100g
msf=ms1+ms2=200+400 => msf=600g
[tex] \frac{cf}{100}= \frac{mdf}{msf} [/tex]
cf=100*mdf/mdf
cf=100*100/600= 16,6 => cf=16,6%
