document.write( "Question 824029: A box contains 2 white balls, 3 black balls and 4 red balls. What is the probability of drawing a black ball? \n" ); document.write( "
Algebra.Com's Answer #496028 by Alan3354(69443)\"\" \"About 
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A box contains 2 white balls, 3 black balls and 4 red balls. What is the probability of drawing a black ball?
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\n" ); document.write( "9 balls total, 3 black ones.
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