Question 348654
Let {{{x}}} = the length of the 3rd part
given:
{{{x - 1}}} ft = length of 1st part
{{{3x + 2}}} ft = length of 2nd part
{{{x + x - 1 + 3x + 2 = 26}}} 
{{{5x + 1 = 26}}} 
{{{5x = 25}}} 
{{{x = 5}}} 
{{{x - 1 = 4}}} 
{{{3x + 2 = 3*5 + 2}}}
{{{3*5 + 2 = 17}}}
The parts are 4 ft, 17 ft, and 5 ft long