Question 1064423
{{{L=9+2W}}}
and
{{{P=2L+2W=174}}}
{{{L+W=87}}}
Substituting,
{{{9+2W+W=87}}}
{{{3W=78}}}
{{{W=26}}}{{{ft}}}
and
{{{L=9+2(26)}}}
{{{L=9+52}}}
{{{L=61}}}{{{ft}}}