SOLUTION: There are 5 boys and 8 girls at a dance if hetty and betty refuse to dance with blake and drake and granny will not dance with either hepsibah or cillisue how many ways may dancing

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Question 1175935: There are 5 boys and 8 girls at a dance if hetty and betty refuse to dance with blake and drake and granny will not dance with either hepsibah or cillisue how many ways may dancing couples be paired
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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From the total number of all possible pairs  (B,G),  which is  5*8 = 40,

exclude  (subtract)  all  PROHIBITED  pairs.