SOLUTION: A teacher has 10 boys and 12 girls in her grade school class. In how many ways can she select 9 of the children to be in a play if she must select 4 boys and 5 girls.
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Question 473568: A teacher has 10 boys and 12 girls in her grade school class. In how many ways can she select 9 of the children to be in a play if she must select 4 boys and 5 girls. Answer by sudhanshu_kmr(1152) (Show Source):