SOLUTION: the average of 10 numbers is 6 , the avearge of 5 numbers is 12, what is the mean of the combined 15 numbers?
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Question 1144419
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the average of 10 numbers is 6 , the avearge of 5 numbers is 12, what is the mean of the combined 15 numbers?
Answer by
ikleyn(52817)
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