document.write( "Question 1026736: Mark's father is 55. This is 15 years older than twice Mark's age. How old is Mark? \n" ); document.write( "
Algebra.Com's Answer #642025 by ikleyn(52809)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Mark's father is 55. This is 15 years older than twice Mark's age. How old is Mark? \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |