Hello. I can't solve this math problem. I don't get it and don't know how to show my work. Could you help me?

The given equation is,
[tex]\frac{1}{6}of\text{ 3yards=}\ldots.feet[/tex]We know 1 yard=3 feet.
Therefore,
[tex]3\text{ yards=3}\times3feet=9\text{ f}eet[/tex]Hence,
[tex]\begin{gathered} \frac{1}{6}\text{ of 3 yards=}\frac{1}{6}\times3\text{ yards} \\ =\frac{1}{6}\times9\text{ f}eet \\ =\frac{3}{2}feet \\ =1.5\text{ f}eet \end{gathered}[/tex]Therefore,
[tex]\frac{1}{6}of\text{ 3yards=1.5 }feet[/tex]