document.write( "Question 1143708: The average of a set of 6 numbers is 3.5. If the number is 4.2 is added to the set , what is the average of the new set of numbers? \n" ); document.write( "

Algebra.Com's Answer #764592 by ikleyn(52790) $\"\"$ $\"About$

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document.write( "Since the average of a set of 6 numbers is 3.5, the sum of these numbers is 6*3.5 = 21.\r\n" );
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document.write( "Then the sum of 7 numbers is  21 + 4.2 = 25.2  and the average of 7 numbers is   = 3.6.    ANSWER\r\n" );
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