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If the mean of the following set is 12, what is x?

0 votes

If the mean of the following set is 12, what is x?

(1,14,3,15,16,x,21,10)

 

asked Sep 30, 2018 in ALGEBRA 1 by anonymous
reshown Sep 30, 2018 by bradely

1 Answer

0 votes

The given set is

1, 14, 3, 15, 16, x, 21, 10

Mean  =  [ 1 + 14 + 3 + 15 + 16 + x + 21 + 10 ] / 8

12  =  (80 + x ) / 8

80 + x  =  12 X 8

80 + x  =  96

x  =  96 - 80

x  =  16

Answer :

The Valuo of x is 16.

 
answered Oct 1, 2018 by homeworkhelp Mentor

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