### Home > A2C > Chapter 12 > Lesson 12.2.1 > Problem 12-85

12-85.

Use what you know about series to find the sum of all of the multiples of

Find a sequence whose terms are all of the multiples of

12-85.

Use what you know about series to find the sum of all of the multiples of

Find a sequence whose terms are all of the multiples of