SOLUTION: The mean of ten positive numbers is 16 .when. another is added the mean becomes 18 find the numbers added

Question 1161963: The mean of ten positive numbers is 16 .when. another is added the mean becomes 18 find the numbers added
Found 2 solutions by solver91311, ikleyn:
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!

If the mean of 10 numbers is 16, then the sum of the ten numbers is 10 times 16. If the mean of 11 numbers is 18, the sum of the eleven numbers is 11 times 18. The difference between the two sums is the number that was added to the original ten numbers.

John

My calculator said it, I believe it, that settles it

Answer by ikleyn(52778)   (Show Source): You can put this solution on YOUR website!
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