Odpowiedzi

2010-02-16T19:33:23+01:00
Mr1=200g cp1=20%
mr2=100g cp2=10%

mr=200g+100g=300g
ms1=20%*200g=40g
ms2=10%*100g=10g
ms=40g+10g=50g
cp=50g*100%/300g=162/3%
2010-02-16T19:38:02+01:00
Dane :
m 1 = 200 g
Cp 1 = 20 %
m 2 = 100 g
Cp 2 = 10 %

Szukane :
Cp = ?

ms 1 = Cp x mr / 100%
ms 1 = 20 % x 200 g / 100% = 40g

ms 2 = 10% x 100g / 100% = 10g

ms = 40 g + 10 g = 50 g
mr = 200g + 100g = 300 g

Cp = 50g/300g x 100% = 50/3 % = 16,7 % (w przybliżeniu)

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