If a certain factory makes a total of 30,720 wrenches, how many minutes does the factory take to make the wrenches?
1. The factory creates the wrenches without interruption at a rate of 32 wrenches per second.
2. It takes 4 times as long for the factory to create the wrenches as it does to load them into trucks, and it takes the factory a total of 20 minutes to do both.