### Home > A2C > Chapter 12 > Lesson 12.1.1 > Problem12-17

12-17.

How many people were in the amusement park in problem 12-6 to watch the noontime parade?

Graph the series $300 + 500 + ... + 4050$. Rearrange the columns to make a rectangle.

The area of the rectangle is the total number of people in the amusement park.

$34,800$