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Village As population, which is currently 6,800, is decreasing at a
Tuesday 21 January 2020, by
Village As population, which is currently 6,800, is decreasing at a rate of 120 each year. Village Bs population, which is currently 4,200, is increasing at a rate of 80 each year. At these rates, in how many years will the population of the two villages be equal? (A) 9 (B) 11 (C) 13 (D) 14 (E) (...)
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