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The mean of 5 different numbers is 6 and the mean of 4 different numbers is 15. Find the mean of 9 numbers.​
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The mean of 5 different numbers is 6 and the mean of 4 different

numbers is 15. Find the mean of 9 numbers.​

User Tomasulo
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7 votes

Answer:

I believe you have to do 6x4 to get the answer

User Sam Upra
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