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Professor Bartlett teaches a class of 12 students. She has a visually challenged​ student, Louise, who must sit in the front row next to her​ tutor, who is also a member of the class. Assume that the front row has seven ​chairs, and the tutor must be seated to the right of Louise. How many different ways can Professor Bartlett assign students to sit in the first​ row

Sagot :

Answer: 6

Step-by-step explanation:

ООООООО- seven chairs

ПП- Louise and her tutor

method 1: ППООООО

method 2:ОППОООО

method 3:ООППООО

method 4:ОООППОО

method 5:ООООППО

method 6:ОООООПП