document.write( "Question 894693: find the total number of selection of at least one red ball from a bag containing 4 red balls and 5 black balls; balls of the same colour being identical? \n" ); document.write( "
Algebra.Com's Answer #542358 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "For our selection of balls:\r\n" );
document.write( "\r\n" );
document.write( "we can choose either 1, 2, 3, or 4 red balls.  That's 4 choices.\r\n" );
document.write( "\r\n" );
document.write( "To go with them, we can choose either 0, 1, 2, 3, 4, or 5\r\n" );
document.write( "black balls. That's 6 choices.\r\n" );
document.write( "\r\n" );
document.write( "Answer: 4x6 = 24 choices which contain at least one red ball. \r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );