Question 207094
{{{Width = Length - 12}}}
{{{Perimeter = 2*Width + 2*Length}}}
{{{108 = 2 *(Length-12) + 2*Length}}}
{{{108 = 2*Length - 24 + 2*Length}}}
{{{108+24 = 4*Length}}}
{{{132 = 4*Length}}}
{{{132/4 = Length}}}
{{{33 = Length}}}