The median home value in South Carolina and Montana (adjusted for inflation) are shown below.

YearSouth CarolinaMontana
19503100035100
20009490099500


If we assume that the house values are changing linearly,

a) In which state have home values increased at a higher rate?

b) If these trends were to continue, what would be the median home value in South Carolina in 2010?
$  

c) If we assume the linear trend existed before 1950 and continues after 2000, the two states' median house values will be (or were) equal in what year? (The answer might be absurd)
The year