document.write( "Question 1107600: the mean age of cousins in a family is 16.25. the cousins ages are 12,15,20 and x what is the age of x \n" ); document.write( "

Algebra.Com's Answer #722592 by AnlytcPhil(1806) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( "To find the mean age of the 4 quantities, 12,15,20 and x, we\r\n" );
document.write( "divide their sum by 4 and set that equal to the given mean:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Now solve for x.\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( "

\n" );