document.write( "Question 1202190: Peter is now 12 years old and John is 3 years old. In how many years will Peter be twice as old as John? \n" ); document.write( "
Algebra.Com's Answer #836840 by Alan3354(69443)\"\" \"About 
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Peter is now 12 years old and John is 3 years old. In how many years will Peter be twice as old as John?
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\n" ); document.write( "The age difference is 9 years ---> when they're 9 & 18.
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