document.write( "Question 1040695: the mean of five positive numbers is 4 when another number is added ,the mean number becomes 8 .find the number added \n" ); document.write( "

Algebra.Com's Answer #655569 by ikleyn(52800) $\"\"$ $\"About$

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\n" ); document.write( "the mean of five positive numbers is 4 when another number is added ,the mean number becomes 8. find the number added
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document.write( " = 4*5 = 20   <--- The sum of the five numbers.\r\n" );
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document.write( " = 8*6 = 48   <--- The sum of the six numbers.\r\n" );
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document.write( " =  + x  --->  x =  = 48 - 20 = 28.\r\n" );
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document.write( "Answer. The number 28 was added.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Notice. The condition that the numbers are positive - is irrelevant.\r
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