Question 2
A 12-metre steel pipe is cut into pieces of length 3 metres. The whole cutting process takes 18 minutes. How many minutes does it take to cut a 12-metre pipe into 6-metre sections?
Assume each cut takes the same time, pieces are cut one at a time, and no extra setup time is included.
Assume each cut takes the same time, pieces are cut one at a time, and no extra setup time is included.