X:100=9;y*6=600;800:a=8;b:5=100;c:10=70;400:d=100

Question

X:100=9;y*6=600;800:a=8;b:5=100;c:10=70;400:d=100

Answer 1

X=9*100=900
y=600/6=100
a=800/8=100
c=70*10=700
d=400/100=4