document.write( "Question 987468: Hi\r
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document.write( "the mean of 14 consecutive integers is 27.5.if the integers are in increasing order what is the mean
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document.write( "of the largest 7 integers.\r
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document.write( "thank you \n" );
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Algebra.Com's Answer #608237 by Boreal(15235) You can put this solution on YOUR website! x is the smallest; x+13 the largest \n" ); document.write( "The sum of the 14 integers is 14x+91 (the sum of the integers from 1 to 13). \n" ); document.write( "That equals the total, which is 27.5*14 (mean*n)=385 \n" ); document.write( "So 14x + 91=385 \n" ); document.write( "14x+294 \n" ); document.write( "x=21 \n" ); document.write( "x+13+34 \n" ); document.write( "The mean of the 7 largest is the mean of 28,29,30,31,32,33,34, and it is 31. \n" ); document.write( " |