Answer:
The explanation in the procedure
Step-by-step explanation:
we know that
[tex]1\ ft=12\ in[/tex]
In this problem is correct to use the measurement [tex]8\ ft\ 4\ in[/tex] instead of [tex]7\ ft\ 16\ in[/tex]
because
[tex]16\ in=12\ in+4\ in=1\ ft+4\ in[/tex]
therefore
[tex]7\ ft\ 16\ in=7\ ft\ +1\ ft+4\ in=8\ ft\ 4\ in[/tex]