Zach had a rope that was 15 feet long. He cut it into 3 pieces. The first piece was 3.57 feet longer than the second piece. The third piece is 2.97 feet longer than the second piece. How long was the third piece of rope?

Answer 1

So, if the smallest piece has length x,
x+3.57 + x + x+2.97 = 15.00