Answer :

The question is asking for the number of hours of supervised driving practice required, in addition to night driving. Evaluating the context and the given options, we need to identify the correct number of required hours from the provided choices.

According to the correct determination:

- The required hours of supervised driving practice in addition to night driving is 30.

Therefore, the answer is:

O 30

So, the number of hours of supervised driving practice required, in addition to night driving, is 30.