Final answer:
The number of Mainframes that can be used in a System 6000 depends on the specific system's architecture and capacities, as well as infrastructure factors like network, power, and cooling.
Step-by-step explanation:
The question "How many Mainframes can be used in a System 6000?" appears to be associated with computing hardware, specifically the use of multiple mainframe computers in a larger system. Without more context, this could refer to proprietary systems, which could have limitations based on the design and architecture of the System 6000. However, if we're speaking about mainframes in a general sense, the answer largely depends on the specifications provided by the manufacturer and the capacity of your infrastructure. It's important to consider factors such as network architecture, power requirements, cooling needs, and physical space when integrating multiple mainframes into a system.