Suppose you are driving. You notice that after driving for 2 hours, you are 85 miles from Seattle. You continue driving, and calculate that after driving 9 hours you are 330 miles from Seattle.

What is your rate? miles per hour   mph

How far from Seattle did you start? miles  

Write an equation to model this situation (use d\displaystyle {d} for distance from Seattle in miles and h\displaystyle {h} for hours).