document.write( "Question 1058550: The average of a set of 9 numbers is 54.if 90 and 95 are added on the set what will be the new average?
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Algebra.Com's Answer #673624 by solve_for_x(190)![]() ![]() ![]() You can put this solution on YOUR website! Since the average of 9 numbers is 54, the sum of those numbers is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "54 * 9 = 486\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Adding 90 and 95 to the total gives:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "486 + 90 + 95 = 671\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There are now 11 numbers included in the total, so the new average is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "671 / 11 = 61\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solution: 61 \n" ); document.write( " |