Pipe A can empty a filled tank in 5.6 hours while Pipe B can fill the same tank, when empty, in 7 hours. If Pipe A and B are alternately turned on for an hour each time, starting when the tank is full, how long will it take to empty the tank?
Given is a question followed by two arguments. Decide which of the arguments is/are strong with respect to the question.
Question:
Should children be taught to wisely use the Internet?
Arguments:
I. Yes, this way, they will know to use the Internet responsibly.
II. No, they learn a lot by exploring on their own.
