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The sum of 3 consecutive odd numbers is 69. What is the third number in this sequence?

The sum of 3 consecutive odd numbers is 69. What is the third number in this sequence?
asked 130k views
1 vote
The sum of 3 consecutive odd numbers is 69. What is the third number in this sequence?

asked
User David Hedlund
by
8.9k points

2 Answers

2 votes
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.
answered
User Ian Ollmann
by
9.4k points
4 votes
25 is the third number.
answered
User Matthias Wiedemann
by
7.8k points
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