The answer would be 35 and for supplement it would be 125
5+15=20
20x3=60
I'm probably wrong, but thats how I understood the question.
X=3
y=6
y=2x
2/3=2x
(2/3)/2=x
(2/3)×(1/2)=x
2/6=x
x=1/3
I believe that the answer is 1/5. I hope that this answer helps!<span />