document.write( "Question 883337: in how many ways can 8 people be seated in a row such that two brothers must not sit next to each other? \n" ); document.write( "

Algebra.Com's Answer #533450 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
If you disregard the problem of the
\n" ); document.write( "brothers not sitting together, there are
\n" ); document.write( " $\"+8%2A7%2A6%2A5%2A4%2A3%2A2%2A1+=+8%21+\"$ ways
\n" ); document.write( "From this you can subtract all the ways
\n" ); document.write( "the brothers can be seated together
\n" ); document.write( "------------------------------------
\n" ); document.write( "B B * * * * * *
\n" ); document.write( "* B B * * * * *
\n" ); document.write( "* * B B * * * *
\n" ); document.write( "* * * B B * * *
\n" ); document.write( "* * * * B B * *
\n" ); document.write( "* * * * * B B *
\n" ); document.write( "* * * * * * B B
\n" ); document.write( "There are $\"+7+\"$ ways they can sit together
\n" ); document.write( "so, the answer is $\"+8%21+-+7+\"$
\n" ); document.write( "You might get a 2nd opinion, but
\n" ); document.write( "that's my guess
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