Village X has a population of 72000, which is decreasing at the rate of 1200 per year. Village Y has a population of 42000, which is increasing at the rate of 800 per year .in how many years will the population of the two villages be equal? Pick one
A) 15 B) 19 C) 11 D) 18 E) 13
Let the population of two villages be equal after p years   Then, 72000-1200p=42000+800p   2000p=30000   p=15   15nswer is 15.
<result>A</result>
Village X has a population of 72000, which is decreasing at the rate of 1200 per year. Village Y has a population of 42000, which is increasing at the rate of 800 per year .in how many years will the population of the two villages be equal?