Posted by john on Tuesday, October 19, 2010 at 12:34am.
L=2W+6
Perimeeter=2W+2L=2*(W+L)=2*(W+2W+6) =2*(3W+6)=6W+12
Perimeter is 36 inches
6W+12=36 , 6w=36-12=24 Divided with 6
W=(24/6)=4 W=4
L=2W+6=2*4+6=8+6=14 L=14
Perimeter 2*(L+W)=2*(4+14)= 2*18= 36in
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