Question

Impartiti nr. 72 in parti direct proporitionale cu 3, 5 , 10 

Answer 1

x/3=y/5=z/10=k ⇒ x=3k, y=5k, z=10k unde x+y+z=72 ⇒ 18k=72, k=4;
x=12, y=20, z=40.