# SOLUTION: How many ways are there for 15 boys and 15 girls to pair up into 15 different heterosexual couples?

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 Question 490132: How many ways are there for 15 boys and 15 girls to pair up into 15 different heterosexual couples?Answer by stanbon(57219)   (Show Source): You can put this solution on YOUR website!How many ways are there for 15 boys and 15 girls to pair up into 15 different heterosexual couples? --- If you have 2 boys (ab) and 2 girls (AB) how many pairings are there? aA aB bA bB ---- Each boy can pair with each girl. Ans: 2*2 4 pairs ==================== Carry that logic to 3 of each or 4 of each or 15 of each. =========== Cheers, Stan H.