Question

Trei copii,Ion Maria si Vasile au strans impreuna 630 de lei.Cati lei are fiecare copil,daca ion are de doua ori mai putini bani decat vasile si maria de doua ori mai multi bani decat vasile

Answer 1

$I+M+V=630 \\ V=2I \\ M=2V=>M=2*2I=>M=4I \\ \\ I+4I+2I=630 \\ 7I=630 \\ I=90 \\ \\ V=2I \\ V=2*90 \\ V=180 \\ \\ M=4I \\ M=4*90 \\ M=360$

Answer 2

I+M+V=630
I=V:2
M=2V
V:2+2V+V=630
V+4V+2V=1260
7V=1260
v=180
I=V:2,I=180:2=90
M=2V,M=360
ti-am transmis mesaj si prin segmente
nici acum nu e cel mai bun raspuns?