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David did not have time to wait for the elevator on the first floor of the building so he decided to go up the stairs. If it took him 2 minutes to get to the third floor, how long will it take him to get to the ninth floor?

User Dsrees
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1 Answer

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Answer:

8 minutes

Explanation:

It takes 2 minutes every 2 floors, and Floor 9 is 8 floors away from Floor 1, so 2x4=8.

User Syndee
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