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In each production lot for a certain toy, 25 percent of the [#permalink]
09 Feb 2004, 11:43
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In each production lot for a certain toy, 25 percent of the toys are red and 75 percent of the toys are blue. Half the toys are size A and half are size B. If 10 out of a lot of 100 toys are red and size A, how many of the toys are blue and size B?