the following graph shows that more and more people in a certain country are moving from urban areas to the suburbs . in 2000 the percentage of the population living in urban areas was 71% of the population living in the suburbs was four and this percentage increased by 2.4 each year on average in the period 2000-2010 assuming this trend continues estimate a year and what is the percentage of the population living in urban areas will be equal to the percentage living in the suburbs.