SOLUTION: I've decided that the mentor group should be made up of 3 girls and 3 boys. Of the students who have A's 9 of them are girls and 6 are boys. How many ways can I form a group of 3 b

Algebra ->  Permutations -> SOLUTION: I've decided that the mentor group should be made up of 3 girls and 3 boys. Of the students who have A's 9 of them are girls and 6 are boys. How many ways can I form a group of 3 b      Log On


   

Question 146043: I've decided that the mentor group should be made up of 3 girls and 3 boys. Of the students who have A's 9 of them are girls and 6 are boys. How many ways can I form a group of 3 boys and 3 girls?









Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
the mentor group should be made up of 3 girls and 3 boys. Of the students who have A's 9 of them are girls and 6 are boys. How many ways can I form a group of 3 boys and 3 girls?
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Ans:
# of ways to pick the 3 girls: 9C3
# of ways to pick the 3 boys: 6C3
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Total # of 9C3 * 6C3 = 84*20 = 1680
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Cheers,
Stan H.