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26-11-2016
Mathematics

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A set of 7 numbers has a mean of 12. What additional number must be included in this set to create a new set with a mean that is 3 more than the mean of the original set?

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26-11-2016

A number that is bigger than the values of the original 7 sets, I can not give a specific number as I am not provided with enough information.

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