Solve. See Example 4.A small theater has 10 rows with 12
Chapter 11, Problem 42(choose chapter or problem)
Solve. See Example 4.A small theater has 10 rows with 12 seats in the first row,15 seats in the second row, 18 seats in the third row, and soon. Write an equation of a sequence whose terms correspondto the seats in each row. Find the number of seats inthe eighth row.
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