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Suppose that the elevator starts at street level (0), goes down 2 floors, then goes up 5 floors, and finally goes down 3 floors. On which floor would the elevator be?

  • math -

    Floor 0

  • math -

    0
    +-2
    +5
    -3 you would add this up and come up to elevator landing on floor 0 back where you started

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