Question 1115097
{{{L=2w-1}}}

{{{L+1=2w}}}

{{{w=(L+1)/2}}}


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Question is to find the length, L.


{{{L+(L+1)/2=21}}}

{{{2L+L+1=42}}}

{{{3L=41}}}

{{{L=41/3}}}

{{{highlight(L=13&2/3)}}}