Question

Se stie ca x/7=y/6=z/5 si x+y+z=32.Calculati pe x,y si z.

Answer 1

x+y+z=32
x/7=y/6=z/5

x/7=y/6 => x=7y/6
y/6=z/5 => z=5y/6

7y/6+y+5y/6=32 Aduci la acelasi numitor => y=32/3
x=(7*32/3)/6=112/9
z=(5*32/3)/6=80/9