Question 335200
For a rectangle,
{{{P=2L+2W=2*(L+W)=184}}}
{{{L+W=92}}}
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{{{L=W+70}}}
Substitute into the perimeter equation,
{{{W+70+W=92}}}
{{{2W+70=92}}}
{{{2W=22}}}
{{{W=11}}}
Now use that result to solve for L.