Answers

2016-07-03T22:32:17+08:00
13.5 is the arithmetic mean of 4 and 23
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  • Brainly User
2016-07-03T22:36:23+08:00
Solution:
(4 + 23) ÷ 2 = arithmetic mean

(27) ÷ 2 = 27/2 or 13 \frac{1}{2}  ⇒  ANSWER
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