document.write( "Question 923845: The average age of our family of four is 35.excluding me the average age is 40. Find my age \n" ); document.write( "
Algebra.Com's Answer #560377 by Cromlix(4381)\"\" \"About 
You can put this solution on YOUR website!
If the average age of four people is 35
\n" ); document.write( "then the total of the ages is 4 x 35 = 140.
\n" ); document.write( "If the average age of the same group, less
\n" ); document.write( "you is 40, then the total of the three people
\n" ); document.write( "is 120.
\n" ); document.write( "140 - 120 = 20
\n" ); document.write( "Your age is 20.\r
\n" ); document.write( "\n" ); document.write( "Hope this helps.
\n" ); document.write( ":-)
\n" ); document.write( "
\n" );