GCGsauce

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The Jones family has 5 boys & 3 girls, and 2 of the girls are twins. In how many ways can they be seated in a row of 8 chairs if the twins insist on

This was the answer I found online:

If the twins sit at the end of the row, then the other sister can sit at one of 5 places so that she’s not next to the twins. 1st choose one of the 2 ends (2 choices) and seat the 2 twins (2! choices); then read more ..

GCGsauce Jan 31, 2017