Question 340325
For a rectangle,
{{{P=2L+2W=46}}}
{{{L+W=23}}}
.
.
.
{{{L=W+3}}}
Substitute,
{{{W+3+W=23}}}
{{{2W=20}}}
{{{highlight(W=10)}}}cm
Then from eq. 2,
{{{L=10+3}}}
{{{highlight(L=13)}}}cm