Question 193755
Area =  Length  * Width
but  L=w+4
,
A= (w+4) * (w) =w^2  + 4w = 165
or  w^2 +4w - 165 = 0
factoring
(w+15)(w-11)=0
w=-15(  not  realistic)
or  w= 11  ,,,,,ok
then  L= w+4 = 11 +4  = 15,,,ok

check  11*15 = 165,,,ok