[tex]a) \frac{35cm}{25mm}= \frac{350mm}{25mm}=14scanduri [/tex]
[tex]b)V _{stivei} =L*l*h=2,5m*30cm*35cm=25dm*3dm*3,5dm= \\ =262,5dm ^{3} [/tex]
[tex]c) 262,5dm ^{3} *0,6kg/dm^{3}=157,5kg[/tex]
[tex]d)157,5= \frac{2}{3}*x \\ x= \frac{157,5*3}{2} =236,25kg [/tex]