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To furnish a room in a model home, an interior decorator has [#permalink]
11 Sep 2006, 17:43
To furnish a room in a model home, an interior decorator has to select 2 tables and 2 chairs from a collection of chairs and tables in a warehouse that are all different from each other. If there are 5 chairs in the warehouse and 150 different combos are possible, how many different tables are in the warehouse?