SOLUTION: The cost of a stamp was 15 cents in 1980 and is 49 cents today, find the rate of change.

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The cost of a stamp was 15 cents in 1980 and is 49 cents today, find the rate of change.      Log On


   



Question 934487: The cost of a stamp was 15 cents in 1980 and is 49 cents today, find the rate of change.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Divide the change in price by the # of years.
--> average change/year