Question 1090590
I'm assuming the patio is a rectangle.
{{{A=LW=48}}}
and
{{{L=8+W}}}
Substituting,
{{{(8+W)W=48}}}
{{{W^2+8W-48=0}}}
{{{(W-4)(W+12)=0}}}
Only positive solutions allowed for W.
{{{W-4=0}}}
{{{W=4}}}
Use the equations to solve for L.