Question 29435
Let the first piece be x
LEt the second piece be 2x
Let the third piece be 9+3(2x)


Equation:
<font color = blue>(x)+(2x)+(9+6x)=45</font>
Simplfy


9x=36
x=4


2(4)=8
9+3(8)=33


Hence, the first piece is 4ft long the second piece is 8ft long and the third piece is 33ft long.
<font color = green>Paul.</font>