Answer :
The problem says that
[tex]\text{feet}=3\cdot\text{yards}[/tex]Then, if we want to convert yards to feet, we got to multiply it by three. The question is, how many feet is 5 yards? let's use the formula:
[tex]\begin{gathered} \text{feet}=3\cdot5 \\ \\ \text{feet}=15 \end{gathered}[/tex]Therefore, 5 yards is 15 feet