Question 959368
W=width; L=length=3W-4; A=area; P=perimeter
{{{A=LW}}}={{{(3W-4)(W)=3W^2-4W}}}
ANSWER 1: Area is {{{3W^2-4W}}}
{{{P=2(L+W)}}}={{{2(3W-4+W)=8W-8}}}={{{8(W-1)}}}
ANSWER 2: The perimeter is 8(W-1)