Answer to Q66
[5, 7, 4], [10, 5, 5], [20, 7, x]. What is x?
[A, B, C]: C = (A + B) ÷ 3
[5, 7, 4]: (5 + 7) ÷ 3 = 12 ÷ 3 = 4
[10, 5, 5]: (10 + 5) ÷ 3 = 15 ÷ 3 = 5
[20, 7, x]: x = (20 + 7) ÷ 3 = 27 ÷ 3 = 9
Answer: 9
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Yes! Voice calls are currently available to users around the world.
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