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A small factory that produces only upholstered chairs and [#permalink]
01 Aug 2007, 16:49
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21. A small factory that produces only upholstered chairs and sofas uses 1 cushion for each chair and 4 cushions for each sofa. If the factory used a total of 300 cushions on the furniture it produced .last week, how many sofas did it produce last week ?
(1) Last week the factory produced more chairs than sofas.
(2) Last week the factory produced a total of 150 chairs and sofas.