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?

Answer Posted / aditya vikram singh

68000 - 80x = 42000 + 120x
68000 - 42000 = 80x = 120x
x = 26000/200
x = 130

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