A building has 25 floors above the ground floor and 4 parking floors below it. The parking floors are numbered from P1 to P4, P4 being the lowest.
The lift travels from P2 to the 7th floor. How many floors did it ascend?
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Answer: 8
Step-by-step explanation:
Count up by 1 untill you get to the 7th floor. Think of it as a number line going from -2 to 7.
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