The conversion factor for feet to inches is:
[tex]12\text{ inches = 1 foot}[/tex]The conversion factor for yards to inches is:
[tex]36\text{ inches = 1 yard}[/tex]Solution
II : 4 feet 6 inches to inches
[tex]\begin{gathered} =\text{ 4 }\times\text{ 12 + 6} \\ =\text{ 54 inches} \end{gathered}[/tex]III: 5 feet 7 inches to inches :
[tex]\begin{gathered} =\text{ 5 }\times\text{ 12 + 7} \\ =\text{ 67 inches } \end{gathered}[/tex]IV: 3 feet 10 inches :
[tex]\begin{gathered} =\text{ 3 }\times\text{ 12 + 10 } \\ =\text{ 46 inches} \end{gathered}[/tex]V : 6 yards:
[tex]\begin{gathered} =\text{ 6 }\times\text{ 36 } \\ =\text{ 216 inches } \end{gathered}[/tex]