Consider the width of the rectangle is
and the length of the rectangle is
.
The perimeter of the rectangle is
and the area of the rectangle is
.
The system of equations are 
Find the dimensions of the rectangle.
\Consider the first equation is
.
Solve for
.

.
Substitute
in
.





.
and
.
and
.
For
,
.
For
, 
Therefore, the dimensions of the rectangle are
and
.
The dimensions of the rectangle are
and
.