document.write( "Question 693184: Tom is 3 years older than Mary and Jane is 5 years older than Tom. What is the average age?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #427319 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Tom is 3 years older than Mary and Jane is 5 years older than Tom. What is the average age?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let Mary's age be M \n" ); document.write( "Then Tom's is: M + 3, and Jane's is: M + 3 + 5, or M + 8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Sum of their ages = M + M + 3 + M + 8, or 3M + 11\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Average age = \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |