Question

Stiind cs m-n=77,m:p=11si n:p=4,sa se determine valorile necunoscute

Answer 1

m-n=77 m=n+77
$\frac{m}{p} =11$ m =11p
$\frac{n}{p} =4$    n=4p
m=4p+77    11p=4p+77    11p-4p=77  7p=77  p=11
m=11×11=121
n=4×11=44