City A's population is 68000, decreasing at a rate of 80 people per year. City B having population 42000 is increasing at a rate of 120 people per year. In how many years both the cities will have same population?
Select the correct option
A) 130years B) 140years C) 150years D) 160years E) 170years
city 130years population = 68000   city B population = 42000   68000 decreasing at a rate 0f 80p = 42000 increasing at a rate of 120p   68000-80p=42000+120p   200p=26000   p=130years   130yearsNSWER:130years
<result>A</result>
City A's population is 68000, decreasing at a rate of 80 people per year. City B having population 42000 is increasing at a rate of 120 people per year. In how many years both the cities will have same population?