document.write( "Question 27161: Eleven years ago Lynn was four times as old as her brother. In one year she will
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document.write( "be twice as old as he is now. What are their ages now?
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document.write( "How do I write the formula? \n" );
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Algebra.Com's Answer #14759 by Paul(988)![]() ![]() ![]() You can put this solution on YOUR website! 11 years ago \n" ); document.write( "Her bro = x \n" ); document.write( "Her = 4x \n" ); document.write( "In one year = x+1 \n" ); document.write( "and 4x+1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "twice as old as he is: \n" ); document.write( "2(x+1)=4x+1 \n" ); document.write( "2x+2=4x+1 \n" ); document.write( "-2x=-1 \n" ); document.write( "x=0.5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4(0.5)=2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hence, Lynn is 2 years old and her brother is half a years old. \n" ); document.write( "Paul. \n" ); document.write( " |