What will the human population be in the year 2100?

Suppose the population of a city doubles every twenty years from the year 1900 to the year 2000. If P0 is th?

  • Suppose the population of a city doubles every twenty years from the year 1900 to the year 2000. If P0 is the population of the city in 1900, how large is the population in 1960

  • Answer:

    8P0 eg; if in 1900 the population was 40,000 by 1920 it would be 80,000 1940 it would be 16,000 and 1960 it would be 32,000 The simpler way of getting the answer would be to multiply the starting population by 8 (the number of twenty year intervals INCLUDING 1900 multiplied by 2) 8x40,00 = 32,000 so 8xP0 must equal the population in 1960.

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