Answer :
Answer:
Width = 3
Length = 6
Step-by-step explanation:
width = x
length = x + 3
Perimeter = 2(length + width)
[tex]p = 2(x + (x + 3)) \\ 18 = 2(x + x + 3) \\ 18 = 2(2x + 3) \\ 18 = 4x + 6 \\ 18 - 6 = 4x \\ 12 = 4x \\ \frac{12}{4} = x \\ 3 = x[/tex]