Question 421139
Perimeter =	30												
Length  	=x+3
Width 	=xcm										
													
Perimeter =2((x	+3)+x)
Perimeter =2(2x+	3)			
Perimeter =4x	+6				
30=4x+6								
30-6=4x								
24=4x										
x=6 Width 										
Length  	=9