Answer:
[tex]\dfrac{1}{24}\ \text{yard}[/tex]
Step-by-step explanation:
Amount of ribbon Trista had is [tex]\dfrac{7}{8}\ \text{yard}[/tex]
Amount of ribbon used in the frame [tex]\dfrac{5}{6}\ \text{yard}[/tex]
Amount of ribbon remaining is
[tex]\dfrac{7}{8}-\dfrac{5}{6}=\dfrac{21-20}{24}[/tex]
[tex]=\dfrac{1}{24}\ \text{yard}[/tex]
The amount of ribbon remaining is [tex]\dfrac{1}{24}\ \text{yard}[/tex].
