mean of 15 numbers is 9. One number is 10. find the sum of the other 14

the mean of a set of 15 numbers is 9. One if the numbers is 10. What is the sum of the other 14 numbers
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1 Answer

If the mean of 15 numbers=9, then the sum of the numbers=15×9=135.

If one of the numbers is 10 then the sum of the others=135-10=125.
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