A bus travels a route through a neighborhood. The coordinate grid shows each stop along the route the bus travels. Each unit represents one block.
The block where Tanya lives is located one block south of the fourth stop. Her friend lives two blocks north of the seventh stop. Write an expression, using absolute value, that can be used to find the distance between Tanya's block and her friend's block.
![A bus travels a route through a neighborhood The coordinate grid shows each stop along the route the bus travels Each unit represents one block The block where class=](https://us-static.z-dn.net/files/df8/f9aff58db6de881f07ab7d613c2f3a13.jpg)