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26 August, 17:21

You have been asked to set up chairs for the school concert.

The first row will have 10 seats, and each additional row has 4

seats more than the previous row. / (10 pts)

What is the total number of chairs needed to set up 25 rows?

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Answers (1)
  1. 26 August, 19:53
    0
    Step-by-step explanation:

    middle section = 390

    sides=270

    total=930 chairs
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