document.write( "Question 832902: the average of 3 numbers is 27. If a 4th number is added the new average is 22. What number was added? \n" ); document.write( "
Algebra.Com's Answer #502226 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! 27 + 27 + 27 + x = 4*22 \n" ); document.write( "81 + x = 88 \n" ); document.write( "Subtract 81 from each side \n" ); document.write( "x = 7 \n" ); document.write( " |