Question 161947
actually, subtract 4 (2 at each end)


dimensions of photo __ x and x+3


with border __ x+4 and x+7


(x+4)(x+7)=108 __ x^2+11x-80=0 __ factoring __ (x+16)(x-5)=0


x+16=0 __ x=-16 __ negative value not realistic


x-5=0 __ x=5  __  substituting __ x+3=8