SOLUTION: If the average of six numbers is 18 and the average of three of the numbers is 15 then what is the sum of the remaining three numbers ? Need help on how to set this up and how to f
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Question 100174This question is from textbook
: If the average of six numbers is 18 and the average of three of the numbers is 15 then what is the sum of the remaining three numbers ? Need help on how to set this up and how to figure it...Thanks so much..
This question is from textbook
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
6*18=108 ... 3*15=45
the sum of the remaining numbers is the difference
x+(3*15)=6*18
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