document.write( "Question 911983: The mean average of three numbers is 8 Two of the numbers are 11 and 7
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document.write( "What is the third number? \n" );
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Algebra.Com's Answer #553486 by lexispoon(1)![]() ![]() ![]() You can put this solution on YOUR website! The sum of the numbers will be 8*3=24. 11+7=18 and 24-18=6. So the last number is 6. The average of 6, 7, 11 is 8. So the third number is 6. \n" ); document.write( " |