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The mean of 8 numbers is 12. the first seven nubers are 13,11,7,8,13,17and 12. what is the eighth numbee​

The mean of 8 numbers is 12. the first seven nubers are 13,11,7,8,13,17and 12. what is the eighth numbee​
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the mean of 8 numbers is 12. the first seven nubers are 13,11,7,8,13,17and 12. what is the eighth numbee​

User Arnaud Peralta
by
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1 Answer

6 votes
The eighth number is 15.

13 + 11 + 7 + 8 + 13 + 17 + 12 + 15 = 96
96 divided by 8 = 12

Final answer: 15

Hope this helps :)
User Bill Kidd
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