zebibtedros123 zebibtedros123

06-02-2018
Mathematics

contestada

how many different ways can four people:andy,betty,cindy, and Doug, sits in a row at the opera if Andy and betty must sit together?

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Аноним Аноним

06-02-2018

They can sit together in 12 different configurations:

ABCD
CDAB
CABD
DABC
BACD
CDBA
CBAD
DBAC
ABDC
DCAB
BADC
DCBA

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shymere181ozkih1 shymere181ozkih1

06-02-2018

they can sit may ways but 12s the answer.

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