Let P and P be the populations in hundreds of Town 1 and Town 2 respectively The table below shows data for these two populations for five different years Year 1980 1982 1984 1988 1992 P 41 51 61 71 81 P2 93 86 79 72 65 Find the average rate of change of each population over each of the time intervals below a From 1980 to 1984 the average rate of change of the population of Town 1 was Change of the population of Town 2 was b From 1984 to 1992 the average rate of change of the population of Town 1 was Change of the population of Town 2 was c From 1980 to 1992 the average rate of change of the population of Town 1 was change of the population of Town 2 was hundred people per year hundred people per year hundred people per year hundred people per year and the average rate of hundred people per year and the average rate of hundred people per year and the average rate of