document.write( "Question 1207620: At a meeting, $4$ scientists, $3$ mathematicians, and $2$ journalists are to be seated around a circular table. How many different arrangements are possible if every mathematician must sit next to a journalist? (Two seatings are considered equivalent if one seating can be obtained from rotating the other.) \n" ); document.write( "
Algebra.Com's Answer #845607 by Edwin McCravy(20060)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "Ikleyn has analyzed the logic of the problem correctly, and I applaud her for\r\n" ); document.write( "that. But unfortunately, she overlooked the very small fact that there are 2\r\n" ); document.write( "choices for the journalist to place in chair #1 in position \"North\", or 12\r\n" ); document.write( "o'clock. So she only got half the correct answer. Since there are 2 ways to\r\n" ); document.write( "choose the journalist in chair #1 at 12 o'clock, the correct answer is 2x576 or\r\n" ); document.write( "1152.\r\n" ); document.write( "\r\n" ); document.write( "Edwin \n" ); document.write( " \n" ); document.write( " |