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To find the population of a city next year, we multiply its current population by 0.981 . By what percent does the population decrease per year?
Answer: ______ 
%

To find the population of a city next year, we multiply its current population by 00.981981 . By what percent does the population decrease per year?\newlineAnswer: ______ % \%

Full solution

Q. To find the population of a city next year, we multiply its current population by 00.981981 . By what percent does the population decrease per year?\newlineAnswer: ______ % \%
  1. Understand Population Decrease: First, we need to understand that multiplying the population by 0.9810.981 means the population is 98.1%98.1\% of its original size. To find the percent decrease, we need to calculate how much less this is than 100%100\%.
  2. Calculate Percent Difference: Subtract the percentage that represents the new population size (98.1%98.1\%) from 100%100\% to find the percent decrease.\newline100%98.1%=1.9%100\% - 98.1\% = 1.9\%
  3. Determine Annual Decrease: The percent decrease in the population per year is therefore 1.9%1.9\%.