document.write( "Question 1147145: The sum of the ages of Peter and Paul is 21. Peter will be twice as old as Paul 3 years from now. What is the present age of Peter? \n" ); document.write( "
Algebra.Com's Answer #768455 by ikleyn(52800)\"\" \"About 
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document.write( "    The sum of the ages of Peter and Paul is 21. In 3 years, Peter will be twice as old as Paul. What is the present age of Peter?\r\n" );
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