Question 1092130
w, JUST the picture width
L, just the picture length
5, uniform width of frame surrounding picture

{{{L=w+7}}}


Total area frame plus picture, 470 square inches


{{{(w+2*5)(L+2*5)=470}}}
{{{(w+10)(w+7+10)=470}}}
{{{(w+10)(w+17)=470}}}
{{{w^2+27w-300=0}}}


{{{w=(-27+sqrt(1929))/2}}}
(for the picture alone; not yet of the frame...)
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