8m is equivalent to 1m
V is equivalent to 2
and the value we can calculate ussin cross multiplication
[tex]\begin{gathered} 8m\longrightarrow1m \\ V\longrightarrow2m \end{gathered}[/tex][tex]\begin{gathered} V=\frac{2m\times8m}{1m} \\ \\ V=16m \end{gathered}[/tex]the value of V is 16m