A theater has 29 rows of seats. The first row has 15seats, the second row has 18 seats, the third row has 21 seats, and so on. How many seats are in the theater?

This activity will you meet these educational goals: mathematical practices-you will make sense of problems and solve them, reason abstractly and quantitatively, and usemathematics to model real-world situations.directionsread the instructions for this self-checked activity type in your response to each question, and check your answers. at theend of the activity, write a brief evaluation of your work.