document.write( "Question 1115543: the mean of ten positive numbers is 16. When another number is added the mean is 18. find the number \n" ); document.write( "

Algebra.Com's Answer #730376 by ikleyn(52906) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "You are given\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( " = 16,  which implies  sum of ten = 10*16 = 160.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "You are also given   = 18,   which gives you\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "160+x = 11*18 = 198  ====>  x = 198 - 160 = 38.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "---------------
\n" ); document.write( "See the lessons\r
\n" ); document.write( "\n" ); document.write( " - Solved problems on average scores, weight, height and temperature\r
\n" ); document.write( "\n" ); document.write( " - Solved problems on average scores\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );