A good answer might be:

By applying the same process to them

Smaller Problems

The two halves of the original line are divided into two, which results in four lines:

We don't have the required 16 equal divisions, so the process is applied to each of the quarter-sized lines:

Now there are 8 pieces. Apply the process to each of those pieces to get:


QUESTION 8:

How do you tell when to stop?