Question

aflati numerele a caror suma este 130 si cari sint invers proportionale cu numerele 2 3 4

Answer 1

a/1/2=b/1/3=c/1/4=(a+b+c)/(1/2+1/3+1/4)=130/13/12=120
a=120/2=60
b=120/3=40
c=120/4=30