Question

Media aritmetica a doua numere este 64 .Aflati numerele,stiind ca al doilea numar reprezinta 3 supra 5 din primul numar .

Answer 1

a+b/2=64
a+b=128
b=3a/5
a+3a/5=128
5a/5+3a/5=640/5
5a+3a=640
8a=640
a=80
b=128-80
b=48

Answer 2

(x+y)/2=64  y=3x/5 =>x+3x/5=64*2 => (5x+3x)/5=128
=>8x=5*128 8x=640 x=80 y=48 cu placere!