Jill has 15 feet of ribbon. How many yards of ribbon does she have? Use a conversion factor to show your work.

Given:
Jill has 15 feet of ribbon.
To convert the length in yards:
We know that,
[tex]1\text{ fe}et=\frac{1}{3}yards[/tex]So, for 15 feet,
[tex]\begin{gathered} \text{15 fe}et=\frac{15}{3}yards \\ =5\text{ yards} \end{gathered}[/tex]Hence, she has 5 yards of ribbon.