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mapletea

  • 4 years ago

On January 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% every year. On the same day, Checkersville has a population of 70,000 people. Checkersville then starts to experience a population decline, the population decreasing by 4% each year. During what year will Chessville's population exceed Checkersville? (Use y = a * b^x)

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  1. barrycarter
    • 4 years ago
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    50000*(1.07)^x = 70000*(.96)^x might help

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