Question

Impartiti numarul 40 in pati direct proportionale cu 2 , 5 , 6 si 7

Answer 1

a,b,c,d → d.p. cu nr. 2,5,6,7
=> a/2=b/5=c/6=d/7=k/1
=> a=2k , b=5k , c=6k , d=7k
a+b+c+d=40
2k+5k+6k+7k=40
20k=40
k=2 => a=4 , b=10 , c=12 , d=14