document.write( "Question 171628: A computer lab contains the following computers, a Hewlett Packard, a Compaq, a Sony, a Dell and 3 differnnt models of Macs........ How many differnt ways can the 7 computers be arranged so that the Macs are all together (you may assume the computers are all in one line) \n" ); document.write( "
Algebra.Com's Answer #126810 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A computer lab contains the following computers, a Hewlett Packard, a Compaq, a Sony, a Dell and 3 differnnt models of Macs........ How many differnt ways can the 7 computers be arranged so that the Macs are all together (you may assume the computers are all in one line) \n" ); document.write( "----------------- \n" ); document.write( "Treating the 3 Macs as one you get 5! arrangements \n" ); document.write( "But the 3 Macs can be arranged in 3! ways. \n" ); document.write( "So total arrangements is 5!*3! = 120 * 6 = 720 arrangements. \n" ); document.write( "----------------- \n" ); document.write( "Cheers, \n" ); document.write( "San H. \n" ); document.write( " |