Question

The population of a city increases by 4% of what it had been at the beginning of each year. If the population in 1997 had been 6760000, find the population of the city in year 1995?

Answer 1

1. The population of the city in 1999

= 6760000 × (1 + 0,04)^2

= 6760000 × 1,04^2

= 7311616

2. The population of the city in 1995

= 6760000 : (1 + 0,04)^2

= 6760000 : 1,04^2

= 6250000

Answer 2

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