A theater can seat 391 people. the number of rows is 6 less than the number of seats in each row. how many rows of seats are there.

Question

Brice

Mathematics

5 March, 16:57

A theater can seat 391 people. the number of rows is 6 less than the number of seats in each row. how many rows of seats are there.

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Answers (1)

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Diamond Hatfield · Answer 1

X (x-6) = 391

x2-6x-391 = 0 (x-23) (x+17) = 0

since the number of seats should be positive,

x = 23

The number of rows is 23 - 6 = 17

(To check our work)

391 / 17 = 23

So, there are 17 rows of seats.