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The people who were lined up outside the amusement park had all entered by : a.m. By :, more had entered. The number who entered each minutes increased steadily by after that. All of the people were planning to stay for the parade at noon. Homework Help ✎

  1. How many people entered between : and noon, just in time for the parade?

  2. Represent the problem as a series and write a formula for the th term.

    Write the summation representing the total number of people who entered the amusement park to see the parade between : and :.
    Write the formula for the sequence representing the number of people who entered the park during the nth quarter-hour.