document.write( "Question 872638: mean of 15 nos is 5 if 2 is added to each no .what will be the new mean \n" ); document.write( "
Algebra.Com's Answer #526298 by indra89811(24)![]() ![]() You can put this solution on YOUR website! Let the total of 15 nos. = N \n" ); document.write( "The mean of 15 nos is 2 \n" ); document.write( "So, N/15 = 2 \n" ); document.write( "N=30\r \n" ); document.write( "\n" ); document.write( "If 2 is added to each number, the new total becomes 30 + (2*15)= 60 \n" ); document.write( "The new mean = 60/15 = 4 \n" ); document.write( " |