Activity 15.4. In a certain town, 30 percent of the married women get divorced each year and 20 percent of the single women get married each year. There are 8000 married women and 2000 single women, and the total population remains constant. Let us investigate the long-range prospects if these percentages of marriages and divorces continue indefinitely into the future. (a) Set up a difference equation for this problem. (b) Find the number of married and single women after 5, 10, 15, 20, and 30 years. What do you observe?