document.write( "Question 246677: Two years ago, Anton was three times as old as his sister, Nathalie.In 4 years,He will be only twice his sister's age.Find their present ages. \n" ); document.write( "
Algebra.Com's Answer #180100 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Anton's present age=a \n" ); document.write( "Nathalie's present age=n \n" ); document.write( "a-2=3*(n-2) \n" ); document.write( "a-2=3n-6 \n" ); document.write( "add 2 to both sides \n" ); document.write( "a=3n-4\r \n" ); document.write( "\n" ); document.write( "a+4=2*(n+4) \n" ); document.write( "substitute 3n-4 for a \n" ); document.write( "(3n-4)+4=2*(n+4)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |