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A school math team consists of 3 juniors and 5 seniors. How man different groups can be formed that consist of one junior and 2 seniors

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Since there are only three seniors, two juniors need to be selected from a group of five. Two juniors can be selected in ten ways (5×4/2).

There are ten ways a committee of five can be formed (all three seniors and two of the five juniors).
User Leos Literak
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