Mathematics, 12.10.2019 03:30 genyjoannerubiera
The mean of a set of twelve numbers is 5.5. the mean of another set of eight numbers is k. the mean of the combined set of twenty numbers is 8.5. find the value of k.
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The mean of a set of twelve numbers is 5.5. the mean of another set of eight numbers is k. the mean...
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