document.write( "Question 780874: the average of a set of 6 numbers was 30 . when one of the six numbers was removed from the set, the average decreased by 3. what was the number that was removed? \n" ); document.write( "
Algebra.Com's Answer #475715 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Average of 6 numbers = 30 \n" ); document.write( "Total of 6 numbers = 180 \n" ); document.write( "Average of 5 numbers = 27 \n" ); document.write( "Total of 5 numbers = 135 \n" ); document.write( "180 - 135 = 45. \n" ); document.write( "45 was removed. \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |