document.write( "Question 339652: john is 6 years older than jill 5 years ago john was 3 times as old as jill was then, form equation in x and solve it to find what age jill is now \n" ); document.write( "
Algebra.Com's Answer #243387 by MathTherapy(10552)\"\" \"About 
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john is 6 years older than jill 5 years ago john was 3 times as old as jill was then, form equation in x and solve it to find what age jill is now\r
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\n" ); document.write( "\n" ); document.write( "Let Jill's and John's current ages be \"J%5Bi%5D\" and \"J%5Bo%5D\", respectively\r
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\n" ); document.write( "\n" ); document.write( "Since john is currently 6 years older than jill, then we'll have:\r
\n" ); document.write( "\n" ); document.write( "\"J%5Bo%5D+=+J%5Bi%5D+%2B+6\", or, \"J%5Bo%5D+-+J%5Bi%5D+=+6\"____ eq(i) \r
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\n" ); document.write( "\n" ); document.write( "And, since 5 years ago john was 3 times as old as jill was then, then we'll also get:\r
\n" ); document.write( "\n" ); document.write( "\"J%5Bo%5D+-+5+=+3%28J%5Bi%5D+-+5%29\", or, \"J%5Bo%5D+-+3J%5Bi%5D+=+-+10\" ___ eq (ii)\r
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\n" ); document.write( "\n" ); document.write( "\"J%5Bo%5D+-+J%5Bi%5D++=+6\" ______ eq(i)
\n" ); document.write( "\"J%5Bo%5D+-+3J%5Bi%5D+=+-+10\" ___ eq (ii)\r
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\n" ); document.write( "\n" ); document.write( "\"2J%5Bi%5D+=+16\" __ Subtracting eq (ii) from eq (i)\r
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\n" ); document.write( "\n" ); document.write( "\"J%5Bi%5D+=+16%2F2\" ____ \"J%5Bi%5D+=+8\"\r
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\n" ); document.write( "\n" ); document.write( "Therefore, \"J%5Bi%5D\" or Jill's current age = \"highlight_green%288%29\" years.
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