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The mean of a set of 10 number is 56, If the mean of the first nine is 55 find the 10th number

The mean of a set of 10 number is 56, If the mean of the first nine is 55 find the 10th number
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11 votes
The mean of a set of 10 number is 56,
If the mean of the first nine is 55 find the 10th number

User Kathryn Hurley
by
7.9k points

1 Answer

3 votes

Answer:

65

Explanation:

  1. 10*56=560
  2. 9*55=495
  3. 560-495=65
  4. =65
User Vamsi Bitra
by
8.0k points
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