For this case, we have by definition:
[tex]1 \ yard = 3\ feet[/tex]
We then define the following variables:
- y: number of yards
- f: number of feet
We write the function that relates both variables:
[tex]y = 3f[/tex]
Answer:
an expression for the number of yards in f feet is:
[tex]y = 3f[/tex]
