the answer is b. 15 minutes
you should at least read for half of 30 minutes which is half an hour
hope I helped
:D
Answer: Online classes are so annoying and boring.Like Im right now staring at a computer screen for like...how many hours now?
Explanation: I guess online school kind of suck but at least I can do what I want at online school.Go say thanks to this answer if your the same as me or u guys agree with this answer.