document.write( "Question 185248: Bag contains marbles of 5 diff colors, 9 of each color. You select 4. How many diff ways can you choose 2 of one color, 1 of another color and 1 of yet another color?\r
\n" );
document.write( "\n" );
document.write( "I would have thought it was 9C2 x 9C1 x9C1 x 5C3 (5 colors, choose 3), but I know this isn't the answer. Can anyone assist? \n" );
document.write( "
Algebra.Com's Answer #138949 by stanbon(75887) ![]() You can put this solution on YOUR website! Bag contains marbles of 5 diff colors, 9 of each color. You select 4. How many diff ways can you choose 2 of one color, 1 of another color and 1 of yet another color? \n" ); document.write( "----------------------------- \n" ); document.write( "Choose a color: 5 ways \n" ); document.write( "Choose 2 marbles of that color: 9C2 ways \n" ); document.write( "Choose another color: 4 ways: \n" ); document.write( "Choose 1 marble of that color: 9 ways \n" ); document.write( "Choose another color: 3 ways: \n" ); document.write( "Choose 1 marble of that color: 9 ways \n" ); document.write( "------------------------------------------ \n" ); document.write( "Total # of choices: \n" ); document.write( "5*4*3*9C2*9^2 = 174,960 ways \n" ); document.write( "================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |