Question 950710
{{{P=2L+2W=54}}}
{{{L+W=27}}}
.
.
{{{W=2L}}}
Substituting,
{{{L+2L=27}}}
{{{3L=27}}}
{{{L=9}}}{{{cm}}}
So then,
{{{W=2(9)}}}
{{{W=18}}}{{{cm}}}