The population of a village decreases by 4% annually.
The population is now 255.
Calculate the population 16 years ago
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Answer:
Rate at which population is decreased = 4%
Population decreased on 1 year = 4 /100 × 255 = 9
Population decreased during last 16 years = 9 × 16 = 144
Therefore, Population ago 16 years = 255+144= 399
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