Algebra
posted by Scarlett .
A 180m wire is cut into three pieces. The third piece is 20 m longer than the first. The second is two thirds as long as the first. How long is each piece?

x = first piece
x + x + 20 + (2/3)x = 180
2 2/3x = 160
x = 160/(8/3)
x = 160 * (3/8)
x = 60