The door makes 4 complete rotations in 2 minutes. There is room for a maximum two people in each of the tree door sectors. What is the maximum number of people that can enter the building through the door in 20 minutes?
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The door makes 4 complete rotations in 2 minutes. There is room for a maximum two people in each of the tree door sectors. What is the maximum number of people that can enter the building through the door in 20 minutes?
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