The population of a certain country (in millions) at time t (in years) is P(t) - 2.4, where t-0 is the year 2000. (a) When will the population double in size? (b) The population of a neighboring country has an initial population of 3 millicn individuals and the populaticn doubles every 100 years. Find the function N(t) which gives the population of this neighboring country t years after 2000. (c) When will the two countries have the same population?

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