document.write( "Question 1057541: The average age of our family of four is 35. Excluding me the average age is 40. Find my age.......?\r
\n" ); document.write( "\n" ); document.write( "A) 22
\n" ); document.write( "B) 25
\n" ); document.write( "C) 20
\n" ); document.write( "D) 15
\n" ); document.write( "

Algebra.Com's Answer #672604 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
The average age of our family of four is 35. Excluding me the average age is 40. Find my age.......?
\n" ); document.write( "A) 22
\n" ); document.write( "B) 25
\n" ); document.write( "C) 20
\n" ); document.write( "D) 15
\n" ); document.write( "-----
\n" ); document.write( "Sum of 4-family group = 4*35 = 140 yrs
\n" ); document.write( "----
\n" ); document.write( "Sum of ages of 3-family group = 3*40 = 120
\n" ); document.write( "-----
\n" ); document.write( "Ans: My age = 140-120 = 20 yrs
\n" ); document.write( "------------------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "----------
\n" ); document.write( "
\n" );