Answer:
1/6 yards
Explanation:
Pipes available = 4/6 yards
Pipes used = 1/2 yards
Pipes left = total pipes bought - she doesn't suit that way
Pipes left = Total pipes available - pipes used
= 4/6 yards - 1/2 Yards
= 4-3/6
= 1/6 yards
Pipes left = 1/6 yards