2nd Piece= x
1st Piece= x + 3.57
3rd Piece= x + 2.97
3x + 3.57 + 2.97 = 15
3x + 6.54 = 15
3x = 8.46
x = 2.82
X is the second piece but you need to solve for the 3rd piece
3rd Piece is 2.82 + 2.97
=5.79
Zach's rope is 15 feet long. He cuts it into three pieces. 1st piece is 3.57 ft longer than the 2nd piece. 3rd piece is 2.97 feet longer than the 2nd piece. How long is third piece?
1 answer