Question 388028
{{{P=2L+2W=120}}}
{{{L+W=60}}}
Then,
{{{W=3L}}}
Substitute,
{{{L+3L=60}}}
{{{4L=60}}}
{{{highlight(L=15)}}}ft
Then,
{{{W=3(15)}}}
{{{highlight(W=45)}}}ft