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The average of three consecutive integers is 20. What are the integers?

Practice Questions

1 question
Q1
The average of three consecutive integers is 20. What are the integers?
  1. 19, 20, 21
  2. 18, 19, 20
  3. 20, 21, 22
  4. 17, 18, 19

Questions & Step-by-step Solutions

1 item
Q
Q: The average of three consecutive integers is 20. What are the integers?
Solution: Let the integers be x, x+1, x+2. (x + (x + 1) + (x + 2)) / 3 = 20. Therefore, 3x + 3 = 60, so x = 19.
Steps: 0

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