An elevator starts at the ground floor (0).
- It goes up 5 floors.
- Then it goes down 7 floors.
- Then it goes up 3 floors.
At which floor does the elevator stop?

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• A 1
• B 3
• C 2
• D 4

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Answer: A. 1

Start at 0. 0 + 5 = 5; 5 - 7 = -2; -2 + 3 = 1. The elevator stops at floor 1.

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