# Nancys sales last week were $140 less than three times Andrea's sales. Together they sold $940. How much did each sell?

##### 1 Answer

Apr 25, 2017

#### Answer:

Nancy sold $670 and Andrea sold $270.

#### Explanation:

First, we write the two equations given.

*"Nancy's sales last week were #$140# less than three times Andrea's sales"*

**We write this as:**

*"Together they sold $940."*

**We write this as:**

**Solve for A:**

**Substitute A into first equation:**

**Distribute:**

**Add like terms and simplify:**

**Solve for N:**

**Plug N into second equation:**

**Solve for A:**

**Final Answer:**

*You can double check by plugging either into the equations.*