document.write( "Question 1038820: Pat is 21 years older than his son Patrick. In 9 Years Pat will be twice as old as Patrick. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #653534 by Alan3354(69443)\"\" \"About 
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Pat is 21 years older than his son Patrick. In 9 Years Pat will be twice as old as Patrick. How old are they now?
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\n" ); document.write( "In 9 years the difference will be 21 years.
\n" ); document.write( "--> 21 & 42 in 9 years.
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