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The average of 10, 20, 30, and x is 25. What is the value of x?

Practice Questions

1 question
Q1
The average of 10, 20, 30, and x is 25. What is the value of x?
  1. 20
  2. 30
  3. 40
  4. 50

Questions & Step-by-step Solutions

1 item
Q
Q: The average of 10, 20, 30, and x is 25. What is the value of x?
Solution: Mean = (10 + 20 + 30 + x) / 4 = 25. Solving gives x = 50.
Steps: 0

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