What two pieces of equipment will you always find within three feet of each other in the aircraft?

The correct answer highlights the importance of having critical emergency equipment readily available in close proximity to each other for quick access during an in-flight emergency. The fire extinguisher and personal breathing equipment (PBE) are both essential tools for managing onboard fires and ensuring the safety of crew and passengers in smoke-filled environments. Their arrangement within three feet of one another provides flight attendants with the ability to act swiftly in a situation where a fire breaks out, as they can use the fire extinguisher to suppress flames while donning the PBE to protect themselves from smoke inhalation.

This close placement reflects industry best practices in emergency preparedness, ensuring that when one piece of equipment is needed, the other is immediately accessible, optimizing response times in critical situations. The training provided to flight attendants emphasizes this proximity as crucial for effective emergency responses.