document.write( "Question 1102191: in how ways can 5 boys and 3 girls be arranged in a circle if the girl must stand together\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #716912 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "If the 5 girls are together, then the 3 boys are also together. \n" ); document.write( "The number of ways of arranging the 5 girls is 5!=120; the number of ways of arranging the 3 boys is 3!=6. \n" ); document.write( "Since the 8 people are arranged in a circle, you don't know \"where the starting point is\"; it could be with any one of the 8 people. \n" ); document.write( "So the total number of arrangements is \n" ); document.write( " \n" ); document.write( "(Try to get other answers; I often analyze this kind of problem incorrectly.) \n" ); document.write( " |