# What is the sum of the arithmetic series 6 + 12 + 18 + ... + 60?

##### 1 Answer

Jan 22, 2016

#### Answer:

The **common difference**

Now, determine what **term** is 60?

#### Explanation:

Now that we know 60 is the **10th term** , use the **sum formula** ...

sum

**sum**

hope that helped