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Mathematics, 17.02.2021 04:50, hokamidat
If the mean of 5 numbers is 10 and the mean of other 15 numbers is 20 , what is the combined mean of both 20 numbers​
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Answers: 2
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If the mean of 5 numbers is 10 and the mean of other 15 numbers is 20 , what is the combined mean of...
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