Răspuns:
masa de carbon din conserve
m1= 1200x1/100kg= 12kg
masa de carbon din piese
m2= 800x4/100kg=32kg
m,total= 44kg
44kg.......12kg(m1)........32kg(m2)
100kg.................x.......................y
x=m1%=27,3%
y=m2%= 72,7%
Explicație:
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Răspuns:
masa de carbon din conserve
m1= 1200x1/100kg= 12kg
masa de carbon din piese
m2= 800x4/100kg=32kg
m,total= 44kg
44kg.......12kg(m1)........32kg(m2)
100kg.................x.......................y
x=m1%=27,3%
y=m2%= 72,7%
Explicație: