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Tom is going to move, he has three kinds of boxes: large, [#permalink]
19 May 2008, 05:31
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Tom is going to move, he has three kinds of boxes: large, medium, and small. Now he has already 11 large boxes, each of which is either empty or filled with 6 medium boxes. Medium boxes are filled in the large boxes and each of them is either empty or filled with 6 small boxes. Small boxes are empty and filled in the medium boxes. How many boxes does Tom have? 1). he has 56 empty boxes 2). he has 42 small boxes