document.write( "Question 941552: Fatima is 15years old. Bernice is one-third older. How many years ago was Bernice twice as old as Fatima? ( answer is 10years - show your solution ) \n" ); document.write( "
Algebra.Com's Answer #573963 by lwsshak3(11628)\"\" \"About 
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Fatima is 15years old. Bernice is one-third older. How many years ago was Bernice twice as old as Fatima? ( answer is 10years - show your solution )
\n" ); document.write( "let x=number of years ago Bernice was twice as old as Fatima.
\n" ); document.write( "Fatima=15
\n" ); document.write( "Bernice=15+5=20
\n" ); document.write( "(20-x)/(15-x)=2
\n" ); document.write( "2(15-x)=20+x
\n" ); document.write( "30-2x=20-x
\n" ); document.write( "x=10
\n" ); document.write( "
\n" );