document.write( "Question 1155934: Four years ago Bob was twice as old as his little sister. Five years from now he will be six years older than his sister. How old is each now?
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Algebra.Com's Answer #778617 by Boreal(15235)\"\" \"About 
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Little sister is now x
\n" ); document.write( "4 years ago she was x-4 and Bob was 2(x-4), or 2x-8
\n" ); document.write( "5 years from now she will be x+5 and Bob will be 2x+1, nine years later
\n" ); document.write( "2x+1-6=x+5
\n" ); document.write( "x=10
\n" ); document.write( "sister is 10 now
\n" ); document.write( "when she was 6 Bob was 12, so Bob is now 16\r
\n" ); document.write( "\n" ); document.write( "five years from now, he will be 21 and she 15, 6 years older than she
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