\(\left(Yx2+\frac{27}{10}\right):30=\frac{8}{25}\)

\(\Rightarrow\left(Yx2+\frac{27}{10}\right)=\frac{8}{25}x30\)

\(Yx2+\frac{27}{10}=\frac{48}{5}\)

\(Yx2=\frac{48}{5}-\frac{27}{10}\)

\(Yx2=\frac{69}{10}\)

\(y=\frac{69}{10}:2\)

\(y=\frac{69}{20}\)

Vậy y = 69/20 

**** cho mk ik nha