Multiple choice

The population of a small town increased from 5,000 to 6,500 over a period of 5 years. The population of another town increased from 7,000 to 8,750 over the same period. Assuming that both towns had a constant rate of population growth per year, what is the ratio of the annual growth rate of the first town to the annual growth rate of the second town?

  1. 5 : 7

  2. 6 : 7

  3. 4 : 5

  4. 3 : 5
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B Correct answer
AI explanation

The simple annual increase for the first town is ((6500 - 5000) / 5) = 300 people per year. The simple annual increase for the second town is ((8750 - 7000) / 5) = 350 people per year. The ratio of their annual growth is 300 : 350, which simplifies to 6 : 7. The result is 6 : 7.

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