Odpowiedzi

2009-12-30T13:40:20+01:00
20g/(20g + 50g) * 100 % = 2000%/70 = 28,57%
  • Użytkownik Zadane
2009-12-30T13:46:49+01:00
2009-12-30T15:26:38+01:00
Ms = 20g
mw = 50g
mr = 50+20=70g
Cp = ?

70g - 100%
20g - x
x = 28,57%