0
Anonymous
It is 8.66 recurring.
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8.5
The average of 7, 8, 9, and 4 is 7.
the three numbers add up 9 + 10 + 8 = 27then divide by that three so27 / 3 = 9making 9 the average.
8-9
10
Average = (12 + 8 + 7)/3 = 27/3 = 9