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The mean average of three numbers is 8. Two of the numbers are 11 and 7. What is the third number? 7 8 or 6
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The mean average of three numbers is 8. Two of the numbers are 11 and 7. What is the third number? 7 8 or 6

User Pgras
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1 Answer

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11+7+x /3 = 8

11+7+x=24
x=24-11-7 =6

then the third number is 6
User Pizzicato
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