Given the figure of two similar triangles
So, the corresponding sides are proportions
So, we can write the following ratio:
[tex]\frac{y}{8}=\frac{18}{30}[/tex]
Solve for y using the cross product:
[tex]y=\frac{8*18}{30}=\frac{144}{30}=4\frac{4}{5}[/tex]
So, the answer will be y = 4 4/5
