Answer:
i think 30 minutes
Step-by-step explanation:
if you put twice as many pipes it should cut time down by half.
Answer:
30 minutes
If it takes 3 pipes 60 minutes, divide 60 by 2, because you will have x2 the amount of pipes.
Now, it takes 30 minutes.
[3 x 60 = 6 x 30]
180 = 180
Hope it helps.
