Question

Aflati nr x, y, z astfel incat 2x=3y=4z si x+y+z = 195

Answer 1

daca 2x=3y => y=2x/3
daca 2x=4z => z=2x/4= x/2

=>2x/3+x/2+x=195
4x/6+3x/6+6x/6=195
13x/6=195
x=195*6/13=90
=> y=2*90/3=60
=> z=90/2=45