### Home > A2C > Chapter 12 > Lesson 12.1.1 > Problem 12-6

12-6.

The 300 people who were lined up outside the amusement park had all entered by 8:15, and by 8:30, 550 more had entered. The number who entered each 15 minutes increased steadily by 250 after that, and all were planning to stay for the parade. Homework Help ✎

How many people entered between 11:45 and 12:00 noon, just in time for the parade?

Represent the problem as a series and write a formula for the

*n*^{th}term.

4050

Write the summation representing the total number of people who entered the amusement park to see the parade between 8:15 and 12:00.

Write the formula for the sequence representing the number of people who entered the park during the n^{th} quarter-hour.