Odpowiedzi

2009-11-24T19:27:52+01:00
M =1000g
m = 4% M = 0,04 * 1000 = 40g

M2 = 1000 - 600 = 400g
m = 40 g

p = m/M2 = 40 / 400 = 0.1 = 10 %