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posted by Maddie on Sunday, February 3, 2013 at 6:23pm.
1). How many shelves each 2 3/4 feet in length can be cut from a piece of lumber that is 15 2/3 feet long?
15 2/3 = 47/3 2 3/4 = 11/4 (47/3) / (11/4) (47/3) * (4/11) = 188/33 = 5.7 = 5 shelves
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