Question 122263
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Let s be the measure of the short piece.  Then the middle piece is s + 1 and the long piece is 2s.


{{{s + (s + 1) + 2s = 25}}}


{{{4s+1=25}}}


{{{4s=24}}}


{{{s=24/4=6}}}


Then the middle piece is {{{6+1=7}}}


And the long piece is {{{2*6=12}}}

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