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)\"\" \"About 
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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.
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