Question

Impartiti numarul 169 in parti invers proportionale cu numerele 2,3 si 4.
dau coronita

Answer 1

2*x=k x=k/2     3*y=k y=k/3    4*z=k  z=k/4     atuncik/2+k/3+k/4=169   amplificam  pe fiecare pt ca avem numitor 12    6k+4k+3k=2028    13k=2028 k=156      deci x=156/2=78 y=156/3=52 z=39