s) I am creating a seating chart for my class with 15 students. The front row has 7 seats and Ashley and Blake must sit next to each other in the front row. How many ways can I assign students to seats in the front row?

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s) I am creating a seating chart for my class with 15 students. The front row has
7 seats and Ashley and Blake must sit next to each other in the front row. How many
ways can I assign students to seats in the front row?
Transcribed Image Text:3. s) I am creating a seating chart for my class with 15 students. The front row has 7 seats and Ashley and Blake must sit next to each other in the front row. How many ways can I assign students to seats in the front row?
Expert Solution
Step 1: Given data,

Here total tudents = n =15

Front row has 7 seats and ashley and blake must be sit next to each other.

so r=7

Here to find ways of seating arrangement with given condition use permmutation.

Formula for permutation is:

n P r = n! / (n-r)!

 

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