7. A theater has 30 rows of seats. The first row contains 20 seats, the second row contains 21 seats, and so on, such that each

Question

7. A theater has 30 rows of seats. The first row
contains 20 seats, the second row contains 21 seats,
and so on, such that each row has one more seat than
the previous one. Write the explicit formula for this
situation and use it to determine how many seats are in
row 30. (2 points)

Kunduz · Accepted Answer

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