14. An architect designs a theater with 15 seats in the first row, 18 in the second, 21 in the third, and soon. If the theater is to have a seating capacity of 870, how many rows must the architect use in his design?

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Answered: 14. An architect designs a theater with…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section: Chapter Questions

Problem 16PT: In a competition of 50 professional ballroom dancers, 22 compete in the fox-trot competition, 18...

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14. An architect designs a theater with 15 seats in the first row, 18 in the second, 21 in the third, and so on. If the theater is to have a seating capacity of 870, how many rows must the architect use in his design?