Question 345849
For a rectangle,
{{{P=2L+2W=50}}}
.
.
{{{W/L=2/3}}}
{{{3W=2L}}}
Substitute,
{{{3W+2W=50}}}
{{{5W=50}}}
{{{highlight(W=10)}}}
Then
{{{10/L=2/3}}}
{{{highlight(L=15)}}}