document.write( "Question 1144401: The average of 10 numbers is 6.the average of 5 numbers is 12. What is the mean of the combined 15 numbers \n" ); document.write( "
Algebra.Com's Answer #765500 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( " total 10(6)+5(12)\r\n" ); document.write( "mean = --------- = -------------\r\n" ); document.write( " how many 10+5\n" ); document.write( " |