On July 1st 2003 the value of a stock was $135 per share. By December 1st 2003 the value of the stock has fallen to $38 per share. What is the average rate of change in the value of the stock in dollars per month?
In July 1, 2003 the value of stock was 135 In Dec 1, 2003 the value of stock was 38 so in 5 months, the stock dropped 97 97/5 = 19.40 per month....but since it dropped, the rate of change is negative...so ur answer is -19.40 per month