Question
There is a row at the school theatre with 7 seats for 7 students from a class. Two students, Sicily and Daniela want to sit
There is a row at the school theatre with 7 seats for 7 students from a class. Two students, Sicily and Daniela want to sit together in the row. a) How many ways can they sit together? b) If they had a fight and must not sit together, how many ways will this be? I know i need to use combinations, but I don't know what formula to use Please help me
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Prealgebra
Authors: Marvin L Bittinger, David J Ellenbogen, Barbara L Johnson
7th Edition
032164008X, 9780134347202
