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Karen thought of a number between 10 and 20. She multiplied it by 4, then divide the result by 2. Between which two numbers does the final number lie?
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38 votes
Karen thought of a number between 10 and 20. She multiplied it by 4, then divide the result by 2. Between which two numbers does the final number lie?

User Nverinaud
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1 Answer

9 votes
9 votes
10 x 4 / 2 = 20

20 x 4 / 2 = 40

Therefore the final number lies between 20 and 40.
User Kikju
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