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The sum of 3 consecutive odd numbers is 69. What is the third number in this sequence?
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May 11, 2020
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The sum of 3 consecutive odd numbers is 69. What is the third number in this sequence?
Mathematics
middle-school
David Hedlund
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David Hedlund
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Answer: 25
Explanation: x+(x+2)+(x+4)=69 so
3x+6=69 so
3x=63 so
X=21
So your numbers are 21, 23, 25....which do indeed add to 69.
Ian Ollmann
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May 11, 2020
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Ian Ollmann
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25 is the third number.
Matthias Wiedemann
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May 18, 2020
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Matthias Wiedemann
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