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Mathematics 6 Online
OpenStudy (anonymous):

The average of a set of 10 numbers is 15. If one number is removed the average of the remaining numbers is 16. What is the value of the number removed?

OpenStudy (mertsj):

If there are 10 numbers and the average is 15, then the sum of all 10 numbers must have been what?

OpenStudy (anonymous):

Then compare that to the total value if nine numbers average 16

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