document.write( "Question 909971: John leaves an intersection at 12noon and \n" );
document.write( "heads North at 24 miles per hour, while Jane \n" );
document.write( "leaves the intersection at the same time and \n" );
document.write( "heads West at 32 miles per hour. \n" );
document.write( "Find an expression d for their distance \n" );
document.write( "apart (in miles) after t hours. \n" );
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