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In a theater there are 15 chairs in the first row, each row has 3 more chairs than the previous row, and there are 17 rows. How many chairs are in the theater?​

In a theater there are 15 chairs in the first row, each row has 3 more chairs than the previous row, and there are 17 rows. How many chairs are in the theater?​
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21 votes
In a theater there are 15 chairs in the first row, each row has 3 more chairs than the previous

row, and there are 17 rows. How many chairs are in the theater?​

User Mazeryt
by
8.7k points

1 Answer

10 votes

Answer:

663.

Explanation:

User Laura Beatris
by
7.8k points
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