Question 344343
{{{P=2L+2W=106}}}
{{{L+W=53}}}
.
.
.
{{{L=5+W}}}
Substitute,
{{{5+W+W=53}}}
{{{2W=48}}}
{{{highlight(W=24)}}}cm
Then,
{{{L=5+24}}}
{{{highlight(L=29)}}}cm