The Room of Requirement is located on Hogwarts' seventh floor, across from the tapestry of Barnabas the Barmy. To "open it" you must walk past the area of the door three times, thinking of what you need. For example: Say you need a place to study.
It helps the economy. Casinos bring people to the state which also brings in money. Food places and hotels are also built for the out of state people to stay in. It boosts the economy for that state
11. The sentence is correct
