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The cities of Abnarca and Bonipto have populations that are growing exponentially. In 1980, Abnarca had...

The cities of Abnarca and Bonipto have populations that are growing exponentially. In 1980, Abnarca had a population of 24,000 people. In 1990, its population was 30,000. Bonipto had a population of 31,000 in 1980. The population of Bonipto doubles every 55 years. (Round your answers to the nearest whole number.)

(a) How long does it take the population of Abnarca to double?

(b) How long will it take for Abnarca's population to equal that of Bonipto?

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