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30 December, 22:44

The average of 5, 10, 15, and z is 20. What is z?

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Answers (2)
  1. 31 December, 01:38
    0
    Answer: The answer is 50.
  2. 31 December, 02:19
    0
    50

    Step-by-step explanation:

    z = 50

    the average of 5, 10, 15 & 50 would equal 20. so z is 50!
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