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Village X has a population of 68000,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? |
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Answer» Let the population of two villages be equal after p years Then,68000-1200p = 42000 + 800p 2000p = 26000 p=13 |
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