Question 115185
let x=first


"The second piece is 5 feet longer than the first piece" ___ x+5=second


"the length of the third piece is three times the length of the second" ___ 3(x+5)=third


x+x+5+3(x+5)=115 ___ x+x+5+3x+15=115 ___ 5x+20=115