document.write( "Question 851739: A tap takes 15 minutes to fill up a drum. If the water filling the drum doubles with every minute, when is the drum half full? \n" ); document.write( "
Algebra.Com's Answer #512970 by richwmiller(17219)\"\" \"About 
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it is half full after 14 minutes \n" ); document.write( "
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