document.write( "Question 580683: Mary is sixteen years old and is 4 times as old as her brother. How old will Mary be when she is twice as old as her brother? \n" ); document.write( "
Algebra.Com's Answer #371335 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Mary is sixteen years old and is 4 times as old as her brother. How old will Mary be when she is twice as old as her brother? \n" ); document.write( "----------- \n" ); document.write( "She's 16, he's 4. \n" ); document.write( "The difference is 12. \n" ); document.write( "She'll be 2x when he's 12 \n" ); document.write( "She'll be 24.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |