document.write( "Question 195420: John is now four times as old as Annie was six years ago. How old is Annie today if John is 20 years old?
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document.write( "A)8
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document.write( "B)11
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document.write( "C)12
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document.write( "D)14 \n" );
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Algebra.Com's Answer #146551 by anantha(86)![]() ![]() ![]() You can put this solution on YOUR website! sol: \n" ); document.write( " present age of Annie=x years \n" ); document.write( "six years ago Annie age=x-6 \n" ); document.write( "present age of john=four times as old as Annie was six years ago \n" ); document.write( "present age of john=4*(x-6) \n" ); document.write( "according to the problem present age of john is 20 years \n" ); document.write( "4*(x-6)=20 \n" ); document.write( "dividing by 4 on both sides \n" ); document.write( "4*(x-6)/4=20/4 \n" ); document.write( "x-6=5 \n" ); document.write( "adding 6 on both sides \n" ); document.write( "x-6+6=5+6 \n" ); document.write( "x=11 \n" ); document.write( "the present age of Annie=11 years \n" ); document.write( " \n" ); document.write( " |