document.write( "Question 937679: tom takes 20 coins from a box, and he gets 12 red coins and 8 black coins. if the whole box contains 10000 coins, how many of them are black \n" ); document.write( "
Algebra.Com's Answer #571099 by ewatrrr(24785)\"\" \"About 
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8/20 = 2/5
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