x+y+z=260
x/y=2/1
y/z=3/4
x=2y
3z=4y
z=4y/3
2y+y+4y/3=260
6y+3y+4y=780
13y=780
y=60
x=2*60
x=120
z=4*60/3
z=80
x+y+z=260
x/y=2/1
y/z=3/4
x+y+z=260
x=2y
3z=4y
x+y+z=260
x=2y
z=4y/3
2y+y+4y/3=260
6y+3y+4y=780
13y=780
y=60
x=2*60
x=120
z=4*60/3
z=80