Question

determinati 18xy stiind ca 18xy 20 461 si 5 se poate forma o proportie

Answer 1

18xy=1000+800+10x+y
$\frac{1000+800+10x+y}{20} = \frac{461}{5}$
(1000+800+10x+y)*5=461*20
(1800+10x+y)*5=9220

1000+800+10x+y=1844
10x+y=44
x=4
y=4
18xy=1844