X:20=30030:x-3=1215×(30-x)=4516:y=25×y-8=1230×(9-y) =15015×y=45y:10+1=209×(15-y)...

Question

X:20=30030:x-3=1215×(30-x)=4516:y=25×y-8=1230×(9-y) =15015×y=45y:10+1=209×(15-y) =72x:13=2605×x+18=38100:(10-y) =2015×x=6018:x-5=4(x-30)×5=40y:25=86×y+4=2820:(y-3)=2 HelpSosПомогите

Answer 1

X:20=300
х=300*20
х=6000