Question

stiind ca x/y =2/3 calculati 6x+y/x+3y

Answer 1

[tex]\frac{x}{y}=\frac{2}{3}\Rightarrow \frac{x}{2}=\frac{y}{3}=k\Rightarrow x=2k,y=3k\\ \frac{6x+y}{x+3y}=\frac{12k+3k}{2k+9k}=\frac{15k}{11k}=\frac{15}{11}[/tex]