The truck should park 6 feet away from the door
Our equation looks like:

This means that we will need to distribute. This means that we need to multiply everything inside the parenthesis by the number outside of the parenthesis. (<em>Note: you only distribute when variables are involved.)</em>

Simplify:

We cannot simplify any further, so we know that our equation, until we know what x equals, is
.
-1 + 3(n-1)
hope this helps you
Answer:
1.22 x 
Step-by-step explanation:
1,220,000 would be...
1.22 x 10^6