x+y=100
0,2x=0,6y
0,2x=0,6y = > x=0,6y/0,2 => x=3y
x+y=100 => 3y+y=100 => 4y=100 => y=100/4 => y=25
x=3y => x=3*25 => x=75
x+y=100
0,2x=0,6y
0,2x=0,6y = > x=0,6y/0,2 => x=3y
x+y=100 => 3y+y=100 => 4y=100 => y=100/4 => y=25
x=3y => x=3*25 => x=75