Question 985171

Let the width is  x cm.

Then the length is  2x+3 cm.


The equation is


2x + 2*(2x + 3) = 36.


Simplify and solve it:


2x + 4x + 6 = 36,


6x = 36-6,


6x = 30.


x = 5 cm (the width).

2x+3 = 10+3 = 13 cm (the length).